We can machine your head or supply you with the information to it yourself. Changes in current fuel require changes in this area for best performance. Reshaping the combustion chamber in the head is a big part of a modern performance upgrade. We can do almost any cylinder port work for your OSSA engine or supply you with the information to do the work yourself. We can supply you with performance upgrade information on all OSSA engines. Porting specs are available from stock to custom race. Cylinder porting and head combustion chamber reshaping.
We can supply the correct dimensions for a new pipe or to alter the existing pipe. Different pipe dimensions can alter engine performance even with stock cylinder porting. Because the 2 stroke exhaust has such a large effect on the engine performance, any changes in cylinder porting may require a change in pipe dimensions. Ossa Engineering can design a custom exhaust pipe for almost any OSSA engine application. This is not a thread repair so trials and older pioneers will have to change to a slip fit exhaust pipe. Exhaust OutletĮxhaust flange loose in the Cylinder? Both early or late type cylinders can be repaired with a new OSSA Engineering pressed in exhaust flange ring. Since most of the work we do is custom for each job, please contact us for your special service needs. OSSA Engineering can do any work on your OSSA engine that can be imagined.
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