Originally Posted by
nitroburnt
Evening guys. Anyone know where to get carb needle o-rings for a Ninja MR21-BO1A? I'm also curious if any of the engines, in the Technopower line up, parts are interchangable (bearings and other internals). Any response appreciated. Thanks!
This set should be compatible with your engine:
http://www.amainhobbies.com/product_...wer-Gasket-Set
If your outside sleeve diameter is 19.5mm and your crankshaft-pin is 5.00mm then all of the B01 parts are interchangeable.