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Introduce Yourself Welcome biker. We'd love to hear your story and let us know about your motorized bicycle projects!

Hello Everyone


Discussion at Motorized Bicycle Engine Kit Forum in the Introduce Yourself forum. I'm new, obviously, maybe what you would refer to as a long time listener first time caller... Anyway, I ...
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Old 12-04-2008, 11:06 AM
Motorized Bicycle Member
 
Join Date: Dec 2008
Location: Tucson
Posts: 34
Default Hello Everyone

I'm new, obviously, maybe what you would refer to as a long time listener first time caller...
Anyway, I ordered a motor, an "EPA Certified" RAW 80cc, from Zone8Cycling with a 6 month warranty over Thanksgiving. And I am currently installing it.

Its been a heck of a time, I have a Specialized Hardrock mountain bike and the engine did not want to be friends... haha...*tear*...
But just like animals, you put them in the same room long enough and they work it out.

So s few questions if you don't mind

1. My engine is not perfectly straight on the frame as a result of every frame tube I have being formed and oversized... I got the engine on and the chain turns when I ride it, haven't been able to start it yet because I haven't finished the install, but is this ok?

2. How much active machining should be expected, if any, and is it ok if I see a small bit of shavings from chain rub on the casing after pedaling around the block to check alignment. I know from building karts this will work itself out but I am not used to these engines and their tolerances.

3. This is probably a super common issue from what I have seen, I feel like my clutch lever does not have enough "throw". I disengages and engages for now, but I feel like it should move more... is there a half engaged area i should worry about or is it a YES or No on the sprocket being engaged or not?

I'm in school for mechanical engineering, so i understand all this, I just didn't feel like taking the crankcase apart.

And one of my piston rings is cracked. I know its not a huge issue on a two stroke, but where can i get one piston ring?
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Old 12-04-2008, 11:30 AM
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Join Date: Dec 2008
Location: Tucson
Posts: 34
Default Re: Hello Everyone

Also, is it common to have issues with the included bolt hardware, I have torqued the heads off two bolts, is this becaue they are chinese cheap stuff?
I am planning on going to Ace to get some good ol' american steel.
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Old 12-04-2008, 12:13 PM
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Join Date: Jun 2008
Location: Longmont, CO
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Default Re: Hello Everyone

Quote:
Originally Posted by slipdrive44 View Post
is this becaue they are chinese cheap stuff?
I am planning on going to Ace to get some good ol' american steel.
Yep.

Be careful what you buy at Ace. I was looking for some new studs, and the only metric allthread I could find was most likely not from the US. The container said it could come from like 5 or 6 different countries, including China. Though, probably still not as crappy as the kit hardware.
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Old 12-05-2008, 02:03 PM
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Join Date: Aug 2008
Location: Tucson, AZ USA
Posts: 704
Default Re: Hello Everyone

As I am fond of saying "6 HOUR INSTALL MY FUZZY BUTT!!!!!!!!!" These things never cooperate and every build will present its own challenges. I like to recommend that you go to a motorcycle or ATV shop and get a new pedestal and lever for the clutch. The kit lever is made of pot metal and will break easily. I got an extra long Honda lever that gives you a bit of extra leverage.
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Old 12-05-2008, 02:29 PM
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Join Date: Jun 2008
Location: Longmont, CO
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Default Re: Hello Everyone

Yeah but aren't those MC levers missing the lock mechanism? Sucks to hold the handle in when you're sitting at a light.
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Old 12-05-2008, 02:32 PM
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Join Date: Dec 2008
Location: Tucson
Posts: 34
Default Re: Hello Everyone

I actually have my clutch lever mounted on the backside of the handlebar. Seeing as how it seems I only hold it when I am stopping anyway when i get pitched forward i just put my hand over the lever and let physics push it in. also it clears my fingers to grab a handful of brake much much easier!
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Old 12-05-2008, 03:04 PM
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Dan Dan is offline
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Join Date: May 2008
Location: CT, U.S.
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Default Re: Hello Everyone

Howdy slipdrive, welcome. I don't own one but a gentleman here makes clutch actuators that folks speak well of. Here is one thread about it

I have never had issue with the clutchs but they do take some getting used to.
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Old 12-05-2008, 09:28 PM
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Location: Houston
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Default Re: Hello Everyone

Welcome to the forum, Have Fun
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Old 12-05-2008, 11:36 PM
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Default Re: Hello Everyone

Welcome to the forum
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