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Norm's 2 stroke repair center Having problems with you 2 stroke motorized bicycle engine? Just ask Norm. he loves to tinker and troubleshoot engines.

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  #1  
Old 08-22-2009, 08:53 PM
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fakeplay fakeplay is offline
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Default bearing question

I'm talking about the ten t sprocket on the motor. If I take off the nut and washer, There should be a bearing visible right ? Is that bearin the enclosed type or is it the open type where I could put some grease on the ball bearings. This motor is noisie and I'm thinking they pressed the bearing into to tight of a hole. A bearing should have .0005 press fit but I think the hole was smaller when pressed in. Appreciate any help.
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Old 08-22-2009, 10:19 PM
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Default Re: bearing question

fakeplay
you can put grease into the mount for the lower clutch hole by taking out the lower clutch mount hold the grease gun up to the hole tightly and give it a few shots. if you can find a Zerk to fit the hole or a rubber tip for the grease gun it will go a lot easier. Keep an eye on the clutch side as you don't want a bunch of grease getting there. The bearings have a seal on the out side if I remember right they did not have a shield on the inside on mine.
Norman
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Old 08-23-2009, 05:36 AM
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Default Re: bearing question

Lower clutch mount ? Got a pic of the mount your talking about ? Thanks for the info.
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Old 08-23-2009, 01:02 PM
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Default Re: bearing question

here is the part that you can take out to add grease to the bearings circled in red
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Old 08-23-2009, 01:58 PM
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Default Re: bearing question

Thanks a whole bunch norman !
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