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2 Stroke Engine Tuning Troubleshooting Oil Animation Repair Rebuild Diagram Parts Gas. Gordon Jennings Two Stroke Tuners Handbook. The Best Two Stroke Engine Tuning Article Of All Time By The Legendary Gordon Jennings! Gordon Jennings Two Stroke Tuners Handbook. Clearly the most comprehensive technical two stroke engine tuning article ever written. Gordon Jennings Two Stroke Tuners Handbook is conisdered the two stroke engine tuners bible.
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800R to 860R Big Bore. Conversion for PTEK AND ETEC. 800R 12hp Drop In Kit. 800R and ETEC DUAL RING replacement pistons and rings. 600, 700, 779, and 809 Rotax Triples. ALL SKI DOO BIG BORES. 2007-Present 800R to 860R PTEK and ETEC Big Bore.
A couple of port maps from some barrels I have laying around. Just came across these port pics on the net and thought they may be of some interest to those with a 56mm bore tz250. Eh, what to do? Tape up the leathers and get back on another steed! This bit sort of fell off! I have taken a ye.