CB350 1st Build - Cafe Racer

Jax

New Member
This is my first build, its a cb350 which I will be turning into a cafe racer.

Unfortunately I have no knowledge of bikes, but what better way to learn!

I will be posting some pictures soon.
 
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Here it is, I've spent the last few weeks taking it apart. I want to get the engine running.


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Taking it apart is not the way to make the engine run. Did you even ride the bike stock? If you know nothing about motorcycles, what is it that makes you think you can start by custom building an entire bike that doesn't even run yet? These questions are not rhetorical, im very interested in the answers. Please don't let the next picture show the back end of that bike chopped off.

Welcome to Do the Ton, good luck on your project.
 
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Thanks for your response!

I'm taking it apart and cleaning it so that I can understand how it works. To see how it all fits together.

I know I'm completely unskilled at this, but I enjoy it.

The seller told me the alternator was rubbing against the coils because it had been knocked, I'm thinking of keeping it on and see if it will run anyway.


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Completely unskilled, so yep go ahead and attempt to build a whole bike from one that doesn't even run. That'll be no problem. At least you are having fun, and by god that's what's important.

Do you have at least $500 budgeted to even begin doing things the right way?

The owner specifically told you that the flywheel contacts the stator when in motion and your answer is to just see if it will run anyway? If it hits the stator coil in one spot and spins true, you may get lucky. If what he is saying is that your flywheel is wobbling, causing it to contact several areas of the stator, then you have a big problem.

I will assume the non response means no, you didn't ride it in stock form. Judging by the output shaft, nobody had ridden that bike in a while.

Yes I am being an asshole, but I can already see where this is going so I'm trying to get through to you before it goes there.

Have a buddy kick the motor over while you watch the flywheel. If it doesn't spin true let us know.
 
Hey DohcBikes, your right you are being an asshole! Now Shut The Fuck Up!

Jax, keep up what you are doing because doing nothing means another ole classic sits and rots and you dont enjoy learning something new. This asshole does nothing but bitch everyone out on this site and he should be kicked off.
 
You had someone else tune your bike. Even though the thread is gone, I distinctly remember.

I never said he couldn't get it running. The chance certainly lessens when an unskilled person attempts to build an entire bike, then gets overwhelmed and never finishes. I am not pushing anyone off of any cliffs, I am attempting to show them the bridge nearby, should they choose to look up from their head-down dead run.

If a person with very limited experience comes in and tells another person with no experience not to listen to somebody with a lot of experience, who is the asshole? Who is pushing people off of cliffs, or rather luring them by saying "it's ok, i jumped!"
 
Jax said:
I'm taking it apart and cleaning it so that I can understand how it works.

Hey Jax, if you don't already have the factory service manual for your bike, get a copy. Take lots of photos and carefully label everything that comes off the bike as you go. You sound like you have a great attitude so no doubt you'll learn a ton and have a lot of fun doing it. I agree that the best first step is to restore the machine to running condition before you make any modifications. Good luck!
 
Hey jax, I am in the same boat so don't feel bad. I am a few weeks into my first build and I am learning a ton and most of all I am having a great time with it. I have found that there are a lot of really supportive people on this forum and a few others that have lost their way and don't remember why they started building in the first place just ignore those ones and take the advice of the others.
 
I went down this road the hard way lol
My advice, watch all these videos I found them to be a great help

http://www.youtube.com/playlist?list=PLyLD4YZV54XKKxA2teAyt54lC8O87QvO6
 
And keep posting pics. We love pics.

And Dohc, Sudco and i got it going. I didnt take it to anyone. The plugs look great and the studder is gone. Just needed the right combo in the carbs.
 
I told you that in my first post on your thread. You refused to buy jets because you didnt want to be wrong.

Hopefully this o.p. is taking the time to make the engine run right before he builds the rest of the bike. That is all i suggested, and it is the only right way to do it, especially for a first timer.

I could post links to 100 half built bike threads here no problem. Its because people get newcomers all riled up to tear it down, then abandon them when it comes time to put it back together. If the guy does it in the correct fashion, more help will be available. The skilled people eventually say fuckit most of the time.

I have posted a lot more than just negativity here. Far more. Read between the lines.
 
Minicafe,
Good to hear that you got it running well after all that grief.

Jax,
DOHC is right about the alternator. If the motor spins over or can be kicked over, get someone to do that as you watch the alternator rotor. See if it rotates smoothly and is concentric with the crank or if it's rubbing as it rotates off center.
 
Thanks for all your positive comments and the tips and advice. It is greatly appreciated!

Here is some more info about the bike:

It has been imported into the UK from Kansas, and it was in non running condition when I bought it.
It costs around £600, and I have a further £700 to try and get it working.

It came with a Haynes manual which is proving to be handy.

https://vimeo.com/138503798

The video shows the alternator, I think it rubs a bit on some of the coils. And so this could be a problem..

Anyway I've decided to clean the carbs, here are some before pictures:

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Carbs don't look bad, but you have to go in deeper than that. Remove those jets and then remove the emulsion tubes and such, below them.
As for the alternator, there will be areas of rotation that it will feel resistance. That is from the cam lobes opening the valves. The easy way to determine if it is rubbing is to remove the stator and look for scoring.
Proceed and don't hesitate to ask for assistance.
 
Thanks for the reply. Regarding the carbs there is a white deposit which Google says could be due to corrosion. I'm going to give them a proper clean once I have some carb cleaner, it may be a job I can do while at uni.

The coils on the alternator do show quite significant scoring :/ I'd appreciate any advice on what to do about this because I've been told it could mean I have a big issue with the engine.

Thanks


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