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Motorized Bicycle Trouble Shooting Use this area to post problems that may arise, if you could use some help in figuring out what is wrong with your engine and what needs to be done to achieve top performance.

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  #11  
Old 02-16-2017, 06:32 PM
crassius crassius is offline
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Default Re: More engine problems.

how much 'grab' the clutch had depends on how great the distance is between locked and unlocked position of clutch lever if it is adjusted right - don't forget to look for fuel that spilled from carb onto clutch when motor was shaking
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  #12  
Old 02-17-2017, 03:43 AM
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xXNightRiderXx xXNightRiderXx is offline
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Default Re: More engine problems.

Thanks for that suggestion. I'll see if that's the issue. Also, would an automotive shop be able to extract my right side mounting stud? It sheared off while I was trying to start it up.

Last edited by xXNightRiderXx; 02-17-2017 at 03:45 AM.
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  #13  
Old 02-17-2017, 08:02 AM
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Default Re: More engine problems.

A machine shop might be a better choice.
Tell them if you used Locktite on it, so they know to use heat.

I was a machinist for a while. We were where the mechanics took the broken studs.
It is easier and cheaper to take it before making a lot of failed attempts to remove it.
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  #14  
Old 02-17-2017, 11:12 AM
crassius crassius is offline
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Default Re: More engine problems.

having it done might be very expensive (possibly more than a new motor)

look around the board for how to do it and also check the area about alternative mounts to work out a different way to mount it
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  #15  
Old 02-17-2017, 02:59 PM
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Default Re: More engine problems.

Crassius, how much travel should be in the clutch lever? I like to keep things tight for better control. I just installed a new clutch cable, but haven't attached it to the clutch arm. I have about six inches of free cable to play with.
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  #16  
Old 02-17-2017, 08:35 PM
crassius crassius is offline
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Default Re: More engine problems.

search on the board here for the step to adjust cable/clutch (I've typed them all out a hundred times)

be sure to start with the clutch arm just touching the bucking bar while pointing almost straight back by loosening or tightening flower nut to get that right
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  #17  
Old 02-18-2017, 01:14 AM
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Default Re: More engine problems.

Just happens that a few bearings in the clutch are missing. How do I access the bearings and what size are they? I'm going to replace them with carbon steel equivalents.

Last edited by xXNightRiderXx; 02-18-2017 at 05:26 AM.
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  #18  
Old 02-18-2017, 11:16 AM
crassius crassius is offline
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Default Re: More engine problems.

if you're talking about the little 'grain of sand' sized bearings in the clutch hub, there are almost always some missing - opening that and pressing it back together is a real job that I only did once to see how it all went together - took several tries to keep from losing a few bearings during the process

I'd say ignore it as it only causes a problem if something gets in there and locks it up.
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  #19  
Old 02-18-2017, 02:58 PM
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Default Re: More engine problems.

Then the only way my clutch will spin freely is if I get a new clutch wheel. Am I correct? I don't feel comfortable running a spinning wheel at 25mph with missing bearings. It's asking for trouble. I have some heavy packing grease I could use as a temp fix. It will melt at high temperatures, but I used some on my drive chain and it worked very well. Also, I'm pretty sure that as the clutch is already locking up, opening it up won't much of anything.

Last edited by xXNightRiderXx; 02-18-2017 at 03:03 PM.
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  #20  
Old 02-18-2017, 03:18 PM
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Default Re: More engine problems.

Quote:
Originally Posted by xXNightRiderXx View Post
Thanks for that suggestion. I'll see if that's the issue. Also, would an automotive shop be able to extract my right side mounting stud? It sheared off while I was trying to start it up.
If you have a drill motor and an 1/8" drill bit it is fairly easy to remove
broken off motor studs.
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