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Old 08-26-2010, 09:16 AM
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Default Ninja MR21 B01

I need a crankshaft - anyone know where i can get one... Or is there one for sale.


Ninja MR21 B01 - Magnesium Head
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Old 08-26-2010, 09:19 AM
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The TQ engine crank will be a direct drop in for the MR ninja.

http://www.amainhobbies.com/product_...168-Crankshaft
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Old 08-26-2010, 09:28 AM
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Originally Posted by pyromania
The TQ engine crank will be a direct drop in for the MR ninja.

http://www.amainhobbies.com/product_...168-Crankshaft
Thanks but 92 bucks, Ill keep it for a paper weight...
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Old 08-26-2010, 09:33 AM
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The other alternative is to find a used one. I'm sure someone has to have a dead GRP lying around with a good crank.
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Old 08-26-2010, 09:33 AM
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Email me... [email protected]

I'll hook a CO guy up
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Old 08-26-2010, 01:19 PM
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Will this crank work?

http://www.amainhobbies.com/product_...kshaft21-Buggy
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Old 08-26-2010, 01:36 PM
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That is the crank from the sport version. I'm not 100% sure it would fit the tuned rod. Give A-Main a call to double check with them.
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Old 08-26-2010, 09:05 PM
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It should work fine. I can tell from experience though they are nothing alike as far as the way they are cut the MR ninja cranks are much more aggressive than the sport crank. I'm not sure about the GRP tuned crank though.
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Old 08-26-2010, 09:46 PM
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token i have the same engine what clutch setup you use if don't mind me asking?
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