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09-16-2011, 05:57 AM
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#1 |
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Gone Wild
Join Date: Jun 2009
Location: Bolingbrook,IL
Posts: 566
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Bearings
Has anyone changed out the bearings on the crankshaft of a 2 stroke ?
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09-20-2011, 09:26 AM
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#2 |
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Gone Wild
Join Date: Aug 2007
Location: North Texas
Posts: 2,314
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Re: Bearings
Yes, I did on my 76 HD cart and some old Yamaha motorcycles years age and lately a pressed together Indian chief crank. It is not hard but with any crankshaft job it takes some tools. First it takes a press capable of over 2000 pounds pressure and a lathe to align the flywheels after assembly. Also a large strong vise is advised. I had trouble finding the components. If you find the individual components they must be fitted (rod honed to fit pin and bearings to specs) I finally found a rod, crank pin and bearing that were already rebuilt and fitted properly. I think they found that selling a new or rebuilt crank assembly wes better business because few people had the equipment to rebuild the crank themselves. Anyway that used to be a common task performed by repair shops now they prefer to sell a crank assy.
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09-20-2011, 09:42 AM
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#3 |
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Gone Wild
Join Date: Jun 2009
Location: Bolingbrook,IL
Posts: 566
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Re: Bearings
thanks tew,
I may want to farm this one out to a shop. the tools are not the issue. it may a job for someone who has done it before. thanks again. |
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09-21-2011, 08:40 AM
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#4 |
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Gone Wild
Join Date: Aug 2007
Location: North Texas
Posts: 2,314
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Re: Bearings
Do you have the parts and is it from a cart?
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09-21-2011, 12:01 PM
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#5 |
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Gone Wild
Join Date: Jun 2009
Location: Bolingbrook,IL
Posts: 566
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Re: Bearings
no, its a project i have not started. it needs to be done, but i may put it off I won't be using it much next year.
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09-21-2011, 11:04 PM
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#6 |
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Gone Wild
Join Date: Aug 2007
Location: North Texas
Posts: 2,314
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Re: Bearings
I'm not sure but I think you will have to get a crank assembly!
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