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mstspot |
#21 | |||
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That's kinda what I was thinking too, just pisses me off to have to spend that much just for a damn air filter
You meet the nicest people on a Honda
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jpswino |
#22 | |||
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Damn, I missed this thread! WTF?
Quit screwing around and chop that thing already! I've never seen one of those in a chop. Would be really cool IMHO.
"In the wind, with my mind on my money and my money on my mind"...now I just gotta get some.
Check out my world at http://jpswino.u.yuku.com/ |
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mstspot |
#23 | |||
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We have already taken 6 to 8 inches off the length, chopped the seat into a solo, dumped the extra fuel tank, coolant overflow tank, gauges, plastics, lights.
We got plans for more but being summer right now we would like to just get it running, get in some ride time and do a complete tear down this winter when we
are bored. We are getting there though.
You meet the nicest people on a Honda
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mstspot |
#24 | |||
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I spent hours saturday and sunday working on the carbs. My vat cleaner wouldn't touch that chit in the bowls. I ended up taking a small screw driver and
chipping most of it out first then scrubbing each one with q-tips soaked in carb cleaner. I'm not even gonna try to get the drain screws out, I can tell
that would just be asking for trouble. The pick up tubes and jets were just solid hunks of crud. My vat got the outside stuff off but the tubes were completely
plugged solid. I ended up using really small drill bits, twisting them between my fingers and drilling the junk out, piano wire got the side holes open then
lots of spray carb cleaner finished the job (went through 2 cans just to clean the parts in the bowls). The soaking, spraying and scrubbing on the carb bodies
had gotten the dirt and crud off but they were still covered with corrosion. I brass brushed off what I could get to then gave them several washes in Navel
Jelly to clean the nooks and cranny's. I'm still waiting on my new needles and seats. I've got one choke valve that I haven't been able to free
up yet. I can't get too aggressive with it since it is made out of brass and where the tang fits it is only about an 1/8 of an inch thick. Heating, tapping
and twisting haven't worked yet. I set it so that I could soak it in penetrating oil yesterday so maybe that will start to work. Used a piece of nytral
glove and super glue to patch the small slit in the one slide, a little stiff in that area but being close to the outside edge where it is already stiffer I
think it will work. I'll have to keep my eyes open for a replacement. Got my clutch master cylinder kit in finally, we got that all put back together. The
little plastic window had turned to dust so I just filled the hole with liquid steel epoxy. Took a heap of pumping to get all the system bled out but we
finally got the clutch to working, I hope that it will loosen up the clutch plates once they get a coating of the new oil on them, the are dragging really bad
right now. May need to make sure that the front brake is working really well before we put it in gear on the pavement! Took one of the bulb holders out of the
dash to make my oil light out of then made a bracket to hold it up on the neck, ran the wires back into the loom and squished the whole mess back into the
headlight housing. We still need to get a battery. Damn parts stores want 74.00! As much as I hate to sounds like I may have to hit Wal Mart. Getting closer
each day to having her ready to try and bust off.
You meet the nicest people on a Honda
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swiffer.hondachopper |
#25 | |||
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One thing is for sure you will know that bike as well as anyone.Thanks for the reading.
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freebyrd78 |
#26 | |||
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Frank,
Try the lacquer thinner on those bowls. It should cut right through it. freebyrd |
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mstspot |
#27 | |||
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I finally got them clean with patience and lots of Q-tips. It would have been easier if I wasn't trying to save my gaskets. I'm having to buy so many
parts and kits for this damn thing that I've gotta save all the bucks that I can every place that I can. I couldn't find just new needles had to get
the seat with it, 12 bucks each X 4! I've spent so many hours looking for parts I've lost count, just not many parts available unless I order OEM and
want to wait forever. Found a good source overseas but you better really need that part! Every time I hit that "Buy Now" button or walk into the
parts stores and that's like every other day, it's 25.00, 30.00, 40.00 bucks a pop! It wouldn't be so bad but I've been working on one of my
other chevy trucks to get it running for him at the same time and doing some work on my tractor. Even the people at O'Reillys wanted to know if I did glass
work any more or have become a full time mechanic. Finally got the truck done yesterday, valve cover gaskets, idle air motor, temp sensor, fuel pump, fuel
filler hose (both of those were a bitch!), tires (pricy!) tag, insurance, oil, filter, fluids. Now I gotta put him and that truck to work to pay for
themselves. :) Tractor needed plugs, wires, points cap, rotor. Just gotta set the carb (overhauled it this winter) and it should be good to go for the rest of
the year. I forget which project I'm rushing to finish some times. I finally got that last choke valve to free up yesterday so all four are working great
now. Took awhile to get all those linkages set so that they all worked in unison. Went ahead and put the upper half of the carbs back together, needles,
springs, slides and the parts that I'm gonna re-use in the bowls. As soon as my new needles and seats get here (had to order those overseas) I can put
those in, set my float heights, install the bowls and bench sych them and they should be ready to go back on. That should just leave me with a new battery to
get it started. Even then I've still got to get a new chain, tires, check out the tank (waiting on a key) front brake master cylinder and god only know
what else. I'm just hoping that I don't get hit too hard on the electronics end.
You meet the nicest people on a Honda
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swiffer.hondachopper |
#28 | |||
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At Advance Auto for every $50 you spend you get another $20 in free stuff.You can do it in different stops also.Of course i end up buying things i dont need to
make it to $50 so i can get the $20 worth of other stuff i dont need.
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mstspot |
#29 | |||
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At the rate I'm going they would be owing me!
You meet the nicest people on a Honda
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mstspot |
#30 | |||
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Got the keys that I had on order in the mail today, they fit and worked! Tank opened right up, took alot of wiggling and penetrating oil for the ignition but
it finally busted loose and started working, I was sure glad to see that. Tank looks not that bad, considering, I expected solid rust but it just has the usual
rusty spots. I shook some nuts around in it till I got bored then washed it with kerosene. I'm gonna hook it up on the battery charger for a few days and
see if I can't get some more of it out of there but for the most part it looks very usable. Now if my damn carb parts would just get here!
You meet the nicest people on a Honda
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swiffer.hondachopper |
#31 | |||
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Frank .How about explaining the batt charger and rust technique.Do you have something in the tank?
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mstspot |
#32 | |||
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Freebryd posted the technique when we were over at Slicks and I think he posted it again here, I remembered it from my high school chemistry days. Plug the
drain holes on the tank, or find a container big enough to completely submerge the tank (trash can) can't be a metal container though. Fill or submerge the
tank in a solution of sodium carbonate (1 tablespoon per gallon of water) get a battery charger that puts out at least 2 amps and no more than about 6. Connect
the negative lead from the charger to the tank (or part) and the positive lead to a large piece of steel (new and clean) and hang the steel in the solution
making sure that it doesn't touch the tank or part then turn on the charger and let it do it's thang. The process will put off hydrogen gas so use a
well ventilated area and don't smoke around it. If the water gets real red and murky, change it and add fresh solution. The rust areas will turn black and
the part is done when you can see no more red rust. It's not a fast process and I'm expecting to have to leave the tank in the solution for 24 to 48
hours. When done wash the tank or part out with clean water, dry it really well, hair dryer works great. If you are not going to use the part or tank right
away then you need to give it a coating of oil because the steel is down to bare steel again and will rust again. I would suggest checking the tank for leaks
before you use it again, any pin holes that were plugged with rust will now be open so a re-coat of the tank will be required.
You meet the nicest people on a Honda
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swiffer.hondachopper |
#33 | |||
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Thanks but quit using those big words please.They make me think to much.
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mstspot |
#34 | |||
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Finally got my new needles and seats in the mail friday. Jeremy snatched them up and installed them. We set the float heights as best that we could, the manual
wasn't really that clear so we measured them all and set them to the average. It was a real bitch getting the carbs back on the bike, kinda like trying to
get the intake bolts started on a car motor, everything has to go in at the same time yet nothing lines up. A piece of lumber laid across the intake helped
with leverage to get them down. Then fought the air box to get it back in place. Hooked up the battery, hit the starter button, nothing, oil light would dim,
had no lights. A few minutes passed and the silicon rectifier fried and started smoking, dead short somewhere. Pulled that out and broke that circuit, started
checking fuses, main blew, replaced that, wasn't getting power to the ignition, went directly to the solenoid and jumped the circuit, she started to turn
over, hurray. Needed more power so pulled my truck battery and hooked it up as a jumper, got her turning over a little faster but was getting no fire to the
coils. Pulled the solenoid, it was trash, one of the main posts just flopped around. Dug through my parts till I found one that I had already rebuilt for the
750, put that in, still no start or fire to the coils. Called it a night. Spent the rest of the evening tracing the schematic in the manual and making flow
charts so I wouldn't have to keep looking at the manual to see what color wire L/O was and refreshing my memory as to the current paths and points of
contact on the ignition. Saturday morning, I started at the solenoid, I had it plugged in 180 out, I say plugged really not much left of the original, four
wires with a piece of plastic around the end! Got that wired right, now I was getting power to the ignition but not out. Pulled the switch, it was a basket
case from water just running down in it all those years. Took it all apart, cleaned the contacts, freed up the ball bearings, lubed it up, repaired the plastic
holder with some super glue and added a screw to replace a missing tab and hooked it back up, now I was getting power in and out. Made a jump wire for the
burned out rectifier. Still no luck from the starter button but I was getting power cause my home made oil light was on, had lights to the tach and a brake
light. Hooked up my truck battery as a jumper again and jumped the solenoid, now I was getting fire to the coils. Hooked a plug to one of the spark plug wires
on each coil to check the spark, not the best but looked hot enough to fire. I wasn't getting fuel to move through the fuel pump so I hooked up my aux.
tank directly to the carbs hoping that gravity would be enough fuel pressure, just on a whim I tried the drain screws and I'll be dammed if they didn't
turn and open! I was getting fuel to the bowls anyway. A little more cranking and I heard that I'm trying to fire sound. My son noticed a loose plug on his
side, hmmm he installed them, so checked all the plugs again for tightness. Each time we cranked her over she would spin a little faster and and I could hear
the plugs starting to try and fire, oil pressure light would go out too so I felt confident that oil was staring to move in the motor. From all the oil,
kerosene and rust buster that I had put into the cylinders and valves over the last couple of weeks I knew it was a tough environment for the plugs to try and
fire in, time for the ether! A quick shot and she fired and died, this went on for several rotations. Then she caught and went! Rougher than hell but she was
running! A couple of minutes and smoke was pouring out the exhaust and rust was falling from the pipes, even though I had three fans going in the shop, a big
commercial fan on the bike, one pulling air in from a window and another pushing it out the shop doors we had to bail! You almost couldn't see in there! We
let it air out then hit it again till it got too smoky. By the fourth try we were able to stay in there and let it run for a bit. She would die if we let the
RPM's drop below 2500 but from there to red line she sounded good and smooth and was starting to be able to hold set RPM's. We shut her off for the day
and I was glad to see the fan come on on the radiator right when we did, that at least let me know that I was getting power to the fan and switches and that I
wasn't going to have to replace that. Yes it was a very satisfying day. Got lots of wire tracing to do, tedious electronics checking and parts to replace
but I know she runs so all the rest is just details.
You meet the nicest people on a Honda
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Oldie.slickschoppers |
#35 | |||
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Glad to hear you got it to fire. Your gaining on it.
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mstspot |
#36 | |||
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I couldn't get the needle to seal on number four, kept flooding it with gas. Got lucky and was able to pull the bowl with it on the bike, still was a bitch
to do though. The pilot tube had a hunk of trash stuck in the end of it? I had to stop and clean the shop, I had shit from one end to the other, half the tools
I owned were scattered everywhere, wire, connectors, meters, shop rags, cans of oil, parts, I couldn't even see my table or work bench, it was a pit! While
cleaning off the table I found a small plate that hadn't gotten put back on the top of the carbs, duh, got lucky again since I had to pull the airbox
anyway, it's made up of three pieces and I just wasn't getting a good seal between the bottom of the box and the carbs, heat and time had warped it
just a little so had to do a little careful bending to bring it back into shape and patched a small kink in the gasket. I got the starter button working but
the tail light control box is burned out (it makes all the lights come on when you hit the brakes) I've got the power I need coming into the connector so
I'm just gonna bypass the box and go directly to the brake, running and tag (no turn signals). I've got power to one leg of the head light and still no
power to the horn so I'm thinking that the left controls on the bars need a good cleaning. I've got to pull the fuel pump and see if I can repair that,
I've been running it off gravity feed but not sure if I will need increased pressure on the fuel at higher rpms under a load, I may just be able to use the
principal of a larger fuel tube to a smaller inlet tube to bring the pressure up, the outlet on the tank was a transfer tube just to move fuel from the tank to
the lower tank where it was then pumped back up to the carbs so it is over a 1/2 inch outlet, working in a filter and a cutoff in the one foot of distance may
be a trick? Ok, here's where I gotta admit that I pulled a dumb ass. When I over hauled the carbs I failed to remove the plugs from the pilot screws and
clean them, don't ask me why, I guess I had hoped that the soaking would clean them, well guess what it didn't! I'm sure that's where my idle
problem lies. Manual says that I can do it with the carbs in place, guess I'll find out. These are some of the hardest carbs to work on, cables have to be
attached while putting the carbs in, head rubbers are opposed to each other so it's tough to get them set, even the idle set knob is buried so far center
that you can only reach it with needle nose or a wrench, so I really hope I don't have to pull the bank again but won't be surprised if I do.
You meet the nicest people on a Honda
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jpswino |
#37 | |||
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okay, I went and check your images. I see some work now.
I thought we were on "imagine" mode with no pics in the thread here. Come on Frank, can you put the pics in the thread for us kindergarteners? lol Keep it coming! BTW- I forgot all about that eighth grade experiment. I think I'll try that on the next tank. If anything, it will be fun to do with my eleven year old! She digs that kind of magic.
I bet it works great.....
"In the wind, with my mind on my money and my money on my mind"...now I just gotta get some.
Check out my world at http://jpswino.u.yuku.com/
Last Edited By: jpswino 06/16/09 02:12 PM.
Edited 2 times.
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mstspot |
#38 | |||
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I put it on to "COOK" yesterday, I'll try to get a pic of it, in the trash can. :)
You meet the nicest people on a Honda
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mstspot |
#39 | |||
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I uploaded so new pics in my profile on the Green Hornet, I have them there because there are so many of them and it's not a CB750. Picture 080 is the old
seat when I started with it, didn't have any luck finding some high density foam so I figured I'd just patch together the pieces that I had then give
it two layers of thin foam over that to smooth it out. #082 is the tach installed and if you look closely right above the switch you can see my oil light,
I've got to straighten out the bracket for the tach so it sits straight but it works for now. # 086 is the forks all done and cleaned up. #083 Is the carbs
after scrubbing and soaking the hell out of them. #108 is the vat I made to cook my tank in. I didn't want to spend 9 buck for a box of soap so I just used
a box of regular baking soda (sodium bicarbonate) worked just fine. #107 is 16 hours later, the next is the tank before, 110 is when we just pulled the tank
from the vat, it looks kinda oily from the kerosene that was still in it when I washed the tank out after a good shaking with several nuts inside, 111 is after
16 hours of cooking and 112 is after 24, that rusty look is just dirty water, all the rust is gone. A word of warning, if you do it the way that I did then be
prepared for paint to pop because this method did pull ALL the rust off even under the paint that you couldn't see, that tank really is rust free now. I
got the pilot jet caps drilled out and pulled and of course they were all trashed up too, cleaned them and the seats, took me an hour of looking to find one of
the little washers that I dropped, sheeeesh. Started the bike up and she would just idle away but only with the choke on, I could get no response from the idle
adjustment knob? I could bring it up to around 5 grand and try to maintain that RPM but I could hear her surging, I'm sure that it is a fuel problem inside
the carb. Well shit! Only option I could think of was to start over. Back off with the carbs. The bowls were all clean so I know delivery is good, the pick up
tubes were fine also, needles and seats were clear, then I saw my first problem the other jet that has a hole in it so small that I could only get a single
strand of copper wire through it was plugged on two of the bowls (damn that hole is really small, needle size) My needles had accumulated a fresh coating of
gunk on them so I've still got crud in the seats that I've got to get out. The good news was that my patch on the diaphragm seemed to be sound. Then I
found what I had been looking for, the idle jet holes in the throat of the carbs. Running it had blackened them enough so that they showed up (that and I had
been looking in the wrong place) unlike the carbs on my 750 where they are right at the butterfly's it has three small holes behind the butterfly's.
I'm not really sure how you are supposed to get to them? Frank special tool number 58 I guess. I know from working on these damn things that soaking and
cleaners won't get it I've got to get something in there to knock that plug out first so the cleaner can work on the rest. It's all very
aggravating but to be honest I had told my son that I doubted that I would get the carbs right on the first shot and I fully expected to have to pull them
several times before I got them right. The pictures and descriptions in my manual totally suck so I'm having to rely on my common sense (big problem
there!) and basic knowledge of how these carbs function. Took me two weeks to get them to let me in on the VF750 site (guess they heard of me) but I don't
see that they have much more of a clue than I do and the info for the 500 is very limited. They do talk about these carbs having a surging problem which
doesn't surprise me after seeing all the tiny holes that can get plugged. I have had a bit of satisfaction though, like most places where work is going on
I have my fair share of loafers stop in. They have all been impressed that I have even made it this far. The motor does run clean and strong and will start
right up but such is the nature of these type carbs they won't run right till everything is right. What's that saying keep putting one foot in front of
the other and before you know it you are there.
You meet the nicest people on a Honda
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swiffer.hondachopper |
#40 | |||
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Looks good Frank ,If you were here they would have agents in the woods wondering what was brewing in the barrel.Hope you plan on putting that mini sissy bar
back on.It was one of the things honda got made or made that really looks like it was very well built and cool.Yamys have kinda the same one that i tried to
get from a guy but no sale.
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