2006 Arctic Cat Snowmobiles Factory Service Manual, Page 251Get this manual
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370 cc NOTE: For 6000 RPM timing purposes on the 370 CC, use dial indicator and scribe mark on the flywheel for 13 BTDCIgnition TimingEngine Warm BTDC182000 RPM2.012 mm (0.079 in BTDC136000 RPM1.056 m