Spark6's CB350 -- A question of carburation
- Thread starter spark6
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spark6
Active Member
Re: Spark6's CB350 -- nameless as of yet
Well, the thread chaser looked really really promising, but failed in the end... :'( So, on to the next option -- tomorrow I'll go grab a helicoil and tap from NAPA and we'll give it a shot... I'll post a progress report tomorrow. So frustrating though! We went from ridable to not even running in a day. I love old motorcycles. :
Well, the thread chaser looked really really promising, but failed in the end... :'( So, on to the next option -- tomorrow I'll go grab a helicoil and tap from NAPA and we'll give it a shot... I'll post a progress report tomorrow. So frustrating though! We went from ridable to not even running in a day. I love old motorcycles. :
crazypj
Split personality, I fake being smart
Re: Spark6's CB350 -- nameless as of yet
That's real bad advice.
NEVER use threadlock on a Helicoil (or any of the derivatives)
If you need it, it wasn't done right in the first place
It's OK on Timesert but, if done correctly using copper plated insert, you don't need it
teddpage said:
That's real bad advice.
NEVER use threadlock on a Helicoil (or any of the derivatives)
If you need it, it wasn't done right in the first place
It's OK on Timesert but, if done correctly using copper plated insert, you don't need it
spark6
Active Member
Re: Spark6's CB350 -- nameless as of yet
Well, after a traumatic installation, the helicoil (NAPA knock-off) is set... although it went in very slightly off-center vertically, the engine runs and the bike drives. Yay! Now I need to fix two problems -- first, the tuning; the left cylinder (the one with the helicoil) is running funny (boggy perhaps?) and took a long time to catch , even after the right cylinder had started... :-\ furthermore, both cylinders start very well once hot, but the idle is really, really low, and the engine cuts out unless a little throttle is held in... I adjusted the throttle cables so that the throttle had less freeplay before actually opening the carbs... could this be part of the issue? The second problem is that the right carb drain leaks fuel the moment the petcock is opened. At an alarming rate. The left carb never has this problem, but the right is such that if left unattended it will drain a gallon of fuel out of the tank in an afternoon... what is going on here?
Anyhow -- I'm counting my blessings right now, at least it starts again! Now to make it look pretty!
Attached are photos of the shakedown run this evening, which ended anticlimactically when i ran out of fuel a quarter mile from home... :
Yes, yes, I know I am virtually gearless, but it was only on my cul-de-sac, and in my defense, I may have been a little excited when she fired up for the first time since the plug failed...
Well, after a traumatic installation, the helicoil (NAPA knock-off) is set... although it went in very slightly off-center vertically, the engine runs and the bike drives. Yay! Now I need to fix two problems -- first, the tuning; the left cylinder (the one with the helicoil) is running funny (boggy perhaps?) and took a long time to catch , even after the right cylinder had started... :-\ furthermore, both cylinders start very well once hot, but the idle is really, really low, and the engine cuts out unless a little throttle is held in... I adjusted the throttle cables so that the throttle had less freeplay before actually opening the carbs... could this be part of the issue? The second problem is that the right carb drain leaks fuel the moment the petcock is opened. At an alarming rate. The left carb never has this problem, but the right is such that if left unattended it will drain a gallon of fuel out of the tank in an afternoon...
what is going on here? Anyhow -- I'm counting my blessings right now, at least it starts again! Now to make it look pretty!
Attached are photos of the shakedown run this evening, which ended anticlimactically when i ran out of fuel a quarter mile from home... :
Yes, yes, I know I am virtually gearless, but it was only on my cul-de-sac, and in my defense, I may have been a little excited when she fired up for the first time since the plug failed...
Re: Spark6's CB350 -- nameless as of yet
Throttle cable/s should be slightly slack at idle. if you have dual cables check to be sure they are synched. put your thumb on one of the idle screws and watch the other. when you turn the throttle feel that the one your finger is on is starting to move at exactly the same time the other is moving. as far as leaking fuel goes sounds like a stuck float. or bad float needle. try rapping the bowl with the handle of a screw drive while the bike is running, you might luck out :-* Other wise I would cahnge the float needles that should solve the problem.
Throttle cable/s should be slightly slack at idle. if you have dual cables check to be sure they are synched. put your thumb on one of the idle screws and watch the other. when you turn the throttle feel that the one your finger is on is starting to move at exactly the same time the other is moving. as far as leaking fuel goes sounds like a stuck float. or bad float needle. try rapping the bowl with the handle of a screw drive while the bike is running, you might luck out :-* Other wise I would cahnge the float needles that should solve the problem.
spark6
Active Member
Re: Spark6's CB350 -- nameless as of yet
Throttle cables have been checked -- they are in good shape. As for the carburetor, I'll tear that down tomorrow, I replaced the needles when I re-did the carbs themselves, but perhaps another cleaning is an order. We shall see.
I have another question as well... (small wonder huh?) What kind of spray paint have you all had the best results with for painting your bikes? (Just body work not engines/frames.) Is Krylon superior to Rustoleum? Visa versa? Is there another brand I'm missing?
Throttle cables have been checked -- they are in good shape. As for the carburetor, I'll tear that down tomorrow, I replaced the needles when I re-did the carbs themselves, but perhaps another cleaning is an order. We shall see.
I have another question as well... (small wonder huh?) What kind of spray paint have you all had the best results with for painting your bikes? (Just body work not engines/frames.) Is Krylon superior to Rustoleum? Visa versa? Is there another brand I'm missing?
boomshakalaka
Over 1,000 Posts
Re: Spark6's CB350 -- nameless as of yet
if you want to spend a few bucks extra you can get any automotive color mixed in an aerosol can for you at certain car quest locations ( body shop specific ones.) And if you dont have a car quest by you that does this you can order the same thing here: http://www.automotivetouchup.com/spray_paint.asp Then get some 2k clear from here: http://www.eastwood.com/spray-max-rapid-cut-in-spot-clearcoat-aerosol.html
While all together this might cost you around 100$, this will by far give you the best results, esp since you can get real automotive paint in the can with pearl or metallic or whatever.
spark6 said:
if you want to spend a few bucks extra you can get any automotive color mixed in an aerosol can for you at certain car quest locations ( body shop specific ones.) And if you dont have a car quest by you that does this you can order the same thing here: http://www.automotivetouchup.com/spray_paint.asp Then get some 2k clear from here: http://www.eastwood.com/spray-max-rapid-cut-in-spot-clearcoat-aerosol.html
While all together this might cost you around 100$, this will by far give you the best results, esp since you can get real automotive paint in the can with pearl or metallic or whatever.
Re: Spark6's CB350 -- nameless as of yet
+1 on that paint recommendation. I have also had good luck with the duplicolor metallics. they have just changed their line though. haven't used the new stuff. I am spraying a professional clearcoat over it though. Not sure how they would hold up otherwise. I have also heard that the 2k clear alot of guys here are using is not compatible with the duplicolor stuff. Check out Twistedwheelz rattle can bling thread. a lot of good info there.
and put some pants on for god sake! ;D
+1 on that paint recommendation. I have also had good luck with the duplicolor metallics. they have just changed their line though. haven't used the new stuff. I am spraying a professional clearcoat over it though. Not sure how they would hold up otherwise. I have also heard that the 2k clear alot of guys here are using is not compatible with the duplicolor stuff. Check out Twistedwheelz rattle can bling thread. a lot of good info there.
and put some pants on for god sake! ;D
spark6
Active Member
Spark6's CB350 -- Registration questions (Please help!)
Wow, its been a while! But rest assured I've been hard at work! I read twistedwheelz tutorial cover-to-cover, and am in the midst of painting my tins (pictures once finished, I promise) and I also finally got around to getting my MC license. So things are progressing. I've got a couple quick questions (what else is new I guess) that I hoped some of you guys with running registered bikes could help me out with. I'm in Connecticut, and I have to bring the bike in for a vin-check and probably a quick visual inspection before they will let me register it... Herein lies a problem. First, the VIN on the headstem, and the stamp on the engine don't match... is this going to screw me up? Will they even check? What do I do here? Do any CTer's know, will this make it into a "composite motorcycle" that I will have to take to Whethersfield DMV to get inspected? :'( Alright, second issue, I bought some dime city cycles turn signals for my bike. (great service by the way guys, major props to them!) They look great, are just what I am looking for, etc, etc. The only issue is, they aren't DOT-certified... will this be a problem?
My last question as of right now is about mounting new tires. The local shop wants to charge me $40 a wheel (seems standard around here) to mount tubes and tires. They also want to charge me $89 a tire. I can get less expensive tires on Bikebandit, so I was gonna order those and have them install them... the question is, how hard are tires to install, and could i do it myself and save $80 of gas/insurance/registration/mod/date money?
Alright guys, I realize that is a lot at once... thanks for wading through and helping me out!!!
8)
Wow, its been a while! But rest assured I've been hard at work! I read twistedwheelz tutorial cover-to-cover, and am in the midst of painting my tins (pictures once finished, I promise) and I also finally got around to getting my MC license. So things are progressing. I've got a couple quick questions (what else is new I guess) that I hoped some of you guys with running registered bikes could help me out with. I'm in Connecticut, and I have to bring the bike in for a vin-check and probably a quick visual inspection before they will let me register it... Herein lies a problem. First, the VIN on the headstem, and the stamp on the engine don't match... is this going to screw me up? Will they even check? What do I do here? Do any CTer's know, will this make it into a "composite motorcycle" that I will have to take to Whethersfield DMV to get inspected? :'( Alright, second issue, I bought some dime city cycles turn signals for my bike. (great service by the way guys, major props to them!) They look great, are just what I am looking for, etc, etc. The only issue is, they aren't DOT-certified... will this be a problem?
My last question as of right now is about mounting new tires. The local shop wants to charge me $40 a wheel (seems standard around here) to mount tubes and tires. They also want to charge me $89 a tire. I can get less expensive tires on Bikebandit, so I was gonna order those and have them install them... the question is, how hard are tires to install, and could i do it myself and save $80 of gas/insurance/registration/mod/date money?
Alright guys, I realize that is a lot at once... thanks for wading through and helping me out!!!
8)
Big R
Heaven is so far away.
Re: Spark6's CB350 -- registration questions (Please help!)
Tires - some places won't mount tires that you didn't buy there - so call and ask first. And I'm all about having someone else mount my tires.
I'm from PA, but the #'s on the neck and motor don't match on any older bike (that I'm aware of anyway). As long as you have the same size motor as what came in the frame, should be ok.
Turn signals - some places will let non-DOT signals go, but some others won't. If it's just for registration, can you put the original signals on and swap them after?
Tires - some places won't mount tires that you didn't buy there - so call and ask first. And I'm all about having someone else mount my tires.
I'm from PA, but the #'s on the neck and motor don't match on any older bike (that I'm aware of anyway). As long as you have the same size motor as what came in the frame, should be ok.
Turn signals - some places will let non-DOT signals go, but some others won't. If it's just for registration, can you put the original signals on and swap them after?
spark6
Active Member
Re: Spark6's CB350 -- registration questions (Please help!)
original signals didn't come with the bike... i'll just hope for the best i guess. Thanks for the info on the old bikes -- I'll hope that holds true! As for the tires, I'll check into that... any other thoughts on tire install?
original signals didn't come with the bike... i'll just hope for the best i guess. Thanks for the info on the old bikes -- I'll hope that holds true! As for the tires, I'll check into that... any other thoughts on tire install?
kingofthenuggets
Active Member
Re: Spark6's CB350 -- registration questions (Please help!)
Hey, just reading through your post and thought I might throw this out there.
VIN's didn't exist for motorcycles until 1981 I believe so anything before that was basically a model # stamp and production number by the manufacture, for example mine has 2A2-02809. My engine stamp is the same as the neck stamp and even my cylinder, head, and cover have identical stamps! Weird ...
On the turn signals, try going to some motorcycle mechanic (not a dealer) and see if they have any old signals lying around. If you can sweet talk the guys they might cost you nothing more than the trip out there and some conversation about your bike.
Good luck, isn't CT a non title state? Luck bastards!!
Hey, just reading through your post and thought I might throw this out there.
VIN's didn't exist for motorcycles until 1981 I believe so anything before that was basically a model # stamp and production number by the manufacture, for example mine has 2A2-02809. My engine stamp is the same as the neck stamp and even my cylinder, head, and cover have identical stamps! Weird ...
On the turn signals, try going to some motorcycle mechanic (not a dealer) and see if they have any old signals lying around. If you can sweet talk the guys they might cost you nothing more than the trip out there and some conversation about your bike.
Good luck, isn't CT a non title state? Luck bastards!!
spark6
Active Member
Re: Spark6's CB350 -- Pride cometh...
Alright guys, I need help (I know, what else is new...) what would cause a running CB350 to suddenly go dead in the midst of cranking over? The situation was this: I was starting the bike to test some carb adjustments, and it was catching but not starting. I pressed the start button and began to hear the battery tire, but continued just a few seconds longer to see if she would kick over... suddenly, my neutral light went black, the motor stopped cranking, and the bike went dead. I can't find any broken wires or disconnects either at the battery, handlebars, or any of the other ends of the vehicle, although i have not yet removed the tank to check the harness -- i'd like to avoid that. the ignition switch is attached firmly. I am at a total loss as to what to do. I have the battery charging, fingers crossed, maybe that will work, but if it were battery exhaustion, i wouldn't have thought it would happen so fast, or that it would be unable to operate even the lights or horn... is there a fuse that might have blown anywhere that i'm not seeing on my wiring diagram? what happened!!?!?!?!!?? :'( :'( :'( :'( :'(
Alright guys, I need help (I know, what else is new...) what would cause a running CB350 to suddenly go dead in the midst of cranking over? The situation was this: I was starting the bike to test some carb adjustments, and it was catching but not starting. I pressed the start button and began to hear the battery tire, but continued just a few seconds longer to see if she would kick over... suddenly, my neutral light went black, the motor stopped cranking, and the bike went dead. I can't find any broken wires or disconnects either at the battery, handlebars, or any of the other ends of the vehicle, although i have not yet removed the tank to check the harness -- i'd like to avoid that. the ignition switch is attached firmly. I am at a total loss as to what to do. I have the battery charging, fingers crossed, maybe that will work, but if it were battery exhaustion, i wouldn't have thought it would happen so fast, or that it would be unable to operate even the lights or horn... is there a fuse that might have blown anywhere that i'm not seeing on my wiring diagram? what happened!!?!?!?!!?? :'( :'( :'( :'( :'(
