2008 110cc Boulder b1...no go

Kottkamp44 · 05-03-2022, 12:37 AM

Hello, I just picked up a well loved tao tao Boulder 110cc and got it running, but occasionally when riding it after slowing down it doesn't seem to want to take back off again, the revs are up but it just doesn't seem to "go" then after I push it a bit it takes off again, any ideas?

pug398 · 05-04-2022, 07:46 AM

Hi Kottkamp44. I have been visiting the site for a couple of years but in no way an expert. In fact just registered the other day lol. If the B1 is an automatic then it probably has a torque converter drive. On the engine side there is the variator. With engine rpms the pulley widens and narrows. On it runs a belt that connects it to the transmission clutch that is a pulley that also narrows and widens with load put on it. If the variator sticks, the belt slips or the clutch hangs it may not go. VMC chinese parts site probably has everything needed to fix if something broke. It could just need a belt replacement and if so get the Gates brand belt not chinese brand.

Sorry I just realized that engine may have the single stage centrifugal clutch on it so none of the above would apply. If it does the clutch is probably slipping.

david3921 · 05-04-2022, 10:16 AM

Post #5 of below shows how adjust this type of clutch.

http://chinariders.net/showthread.php?t=21934

05-03-2022, 12:37 AM	#1
Kottkamp44 Join Date: May 2022 Posts: 1	2008 110cc Boulder b1...no go Hello, I just picked up a well loved tao tao Boulder 110cc and got it running, but occasionally when riding it after slowing down it doesn't seem to want to take back off again, the revs are up but it just doesn't seem to "go" then after I push it a bit it takes off again, any ideas?
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05-04-2022, 07:46 AM	#2
pug398 Join Date: Apr 2022 Posts: 3	Hi Kottkamp44. I have been visiting the site for a couple of years but in no way an expert. In fact just registered the other day lol. If the B1 is an automatic then it probably has a torque converter drive. On the engine side there is the variator. With engine rpms the pulley widens and narrows. On it runs a belt that connects it to the transmission clutch that is a pulley that also narrows and widens with load put on it. If the variator sticks, the belt slips or the clutch hangs it may not go. VMC chinese parts site probably has everything needed to fix if something broke. It could just need a belt replacement and if so get the Gates brand belt not chinese brand. Sorry I just realized that engine may have the single stage centrifugal clutch on it so none of the above would apply. If it does the clutch is probably slipping. Last edited by pug398; 05-04-2022 at 10:02 AM. Reason: update
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05-04-2022, 10:16 AM	#3
david3921 Join Date: Feb 2009 Location: Michigan Posts: 1,031	Post #5 of below shows how adjust this type of clutch. http://chinariders.net/showthread.php?t=21934 __________________ 2012 Kawasaki Versys 1984 Honda Magna V65 2016 Rhino 250 2016 Tao Tao 125D
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