1989 Jag 340 Deluxe Compression - Snowmobile Forum: Your #1 Snowmobile Forum
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post #1 of 5 (permalink) Old 11-22-2010, 03:41 PM Thread Starter
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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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post #2 of 5 (permalink) Old 11-22-2010, 03:43 PM
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120-150 standard for any sled

2006 Arctic Cat Crossfire 7
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post #3 of 5 (permalink) Old 11-22-2010, 03:45 PM
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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!

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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post #4 of 5 (permalink) Old 11-22-2010, 03:46 PM Thread Starter
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Thanks!!
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post #5 of 5 (permalink) Old 11-22-2010, 03:49 PM
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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.

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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