Shorten rear mount ??

If I grind down the alluminium mount spacer evenly about 1cm will this cause any issues (this will help with clearance issues on my large frame mtb ) 66cc 2 stroke

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You should be okay. The air filter may be a little close to the seat tube. (depending on what style filter you have). You may have to install the filter after installing the carb...as opposed to installing as one unit.

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You do not need a parachute to skydive.
You only need a parachute to skydive twice.

I shortened the rear mount for my engine by cutting about ½ inch off with a hacksaw then cleaning up the cut with a file and sandpaper. Cuts easily and works fine in my application (see pic). The mount may be a little weaker with respect to bending, but it isn’t subjected to that kind of force if the seat tube fits properly like my case.

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cool Earthman, looks like a pro did that .

good idea for clearance

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Bill
EZ Motorbike Dealer - Fountain Hills, AZ
www.ezmotorbike.com
azgrampa@gmail.com

I thought it sould be ok just learning from your experiances

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