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Old 11-22-2010, 03:41 PM   #1 (permalink)
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1989 Jag 340 Deluxe Compression

Anyone familiar with what the compression should be for a 1989 Jag Deluxe with a 340 engine? Thanks!
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Old 11-22-2010, 03:43 PM   #2 (permalink)
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120-150 standard for any sled
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Old 11-22-2010, 03:45 PM   #3 (permalink)
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I would say 125 is about right for that sled...also make sure both cylinders are within about 5 psi of each other!
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Old 11-22-2010, 03:46 PM   #4 (permalink)
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Thanks!!
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Old 11-22-2010, 03:49 PM   #5 (permalink)
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No problem! And make sure when you do a compression test that the engine is warm and you shuold pull about 4 times for each cylinder with the throttle wide open.
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Current Sleds-
95' ski doo Mach z 780 triple (stock)
98' ski doo formula sl 500 (Stock)
98' Arctic cat 440 Jag (studded)

Previous Sleds-
00' Mxz 700
1992 Ski doo Mach 1 (DG pipe)
1976 El Tigre 5000
1972 Arctic Cat Panther 440

"Ride em' till you can't feel your toes"
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