DeNardisEngine Big Bore Tips



To install KTM50 BIG BORE kit a small section of center case must be removed. Stuff a clean rag into the lower end of engine to keep any metal debris from falling into the crankcase area. Use a small hand held dremel or small hand held grinder to remove to extra case material near where the piston bottoms out when its installed on the engine. Blow off any metal debris with air compressor then remove rag and blow out again. Torque cylinder head nuts to 10LBS.

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