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Old 02-05-2012, 05:22 PM
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Default crankshaft extension please help!!!!!

i just bought a two-speed transmission for my xtm xst truggy..the motor that im using is a mega zx.21. THE CRANKSHAFT IS TOO SHORT AND IT WONT MAKE IT TO THE END OF THE TWO SPEED CLUTCH BELL. IS WILL ONLY MAKE IT PAST THE FIRST. DOES ANYBODY KNOW OF ANY CUSTOM SOLUTIONS TO THIS PROBLEM SINCE THEY SONT MAKE A TWO SPEED EXTENSION???
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Old 02-05-2012, 05:28 PM
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Originally Posted by Younggwapp
i just bought a two-speed transmission for my xtm xst truggy..the motor that im using is a mega zx.21. THE CRANKSHAFT IS TOO SHORT AND IT WONT MAKE IT TO THE END OF THE TWO SPEED CLUTCH BELL. IS WILL ONLY MAKE IT PAST THE FIRST. DOES ANYBODY KNOW OF ANY CUSTOM SOLUTIONS TO THIS PROBLEM SINCE THEY SONT MAKE A TWO SPEED EXTENSION???
Dont the bearings sit in aways?

If not ofna makes crank extenders , check it out
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Old 02-05-2012, 05:41 PM
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Buy both,
http://www.nitrohouse.com/Engine-Acc...duct_info.html

http://www.nitrohouse.com/Engine-Acc...duct_info.html
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Old 02-05-2012, 05:42 PM
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YES THe bearings sit it it but the shaft wont make t to the 2nd bearing and on top of that how will i keep the clutch bell on??
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Old 02-05-2012, 05:45 PM
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yes i think those two items from nitrohouse will do the trick.. thanks alot guys

Will i be able to put the bearings over that piece??
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Old 02-05-2012, 05:55 PM
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Yep, the extender is the same size as the crank and it works pefectly.
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Old 02-05-2012, 05:58 PM
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Install the outer bearing first, then choose the extension
that is needed. Shim between the outer bearing and extension
to get the proper clutchbell end play and choose the proper
legnth hex screw to hold it all on.
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Old 02-05-2012, 06:17 PM
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thanks everyone for the help
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Old 03-21-2012, 05:50 PM
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i installed the two speed and know i dont know if it is shifting...i cant tell...what is a good starting point for me to set the screw for the shifting
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