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Yamaha: 2-stroke Includes all Yamaha 2-strokes, Viper, Mountain Max, etc
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Old 01-23-2017, 04:44 AM
Ewbaker95 Ewbaker95 is offline
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Default 1999 Mountain max 700 jetting

I've searched and just can't find the info I'm looking for at the elevation Ill be riding at. Yeah it's a mountain max but I'll be riding it somewhere from 500-2000 ft. I bought it awhile back in Colorado and since moved to southern Wisconsin. I like it too much to justify selling it. It's jetted for 10000+ ft and I had a horrible time getting it jetted for that and it still wasn't 100%. I've got a trip planned in two week up north and I need to get the jetting close since there isn't any snow around the house to test different sets of jets out. The sled has aftermarket reeds and Psi pipes, I'm not sure on the clutching. Thanks in advance and I would appreciate any help I can get.

Last edited by Ewbaker95; 01-23-2017 at 04:45 AM. Reason: Grammer errors
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Old 01-23-2017, 08:16 PM
sledman1966 sledman1966 is offline
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I have a jetting chart for your sled. what is the elevation and temp you will be riding at and i will give you the jet sizes
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Old 01-23-2017, 08:22 PM
sledman1966 sledman1966 is offline
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try this, it is a jetting chart for the mm700 tripple




http://www.zenitram-inc.com/Manuals/MM700TU2.jpg
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Old 01-23-2017, 08:43 PM
Ewbaker95 Ewbaker95 is offline
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Quote:
Originally Posted by sledman1966 View Post
I have a jetting chart for your sled. what is the elevation and temp you will be riding at and i will give you the jet sizes
Thank you for that chart I've been looking at couldn't find one. From my understanding psi pipes like smaller jets. The sled is pretty much going to be anywhere from 500-2000 ft and probably around 20 degree Fahrenheit. I read a few guys running 137.5 pto and 135s on the other two between 6000-8000 ft but then others running 147.5 and 145s around the same elevation. Is 147.5 and 145s too big for my elevation(500-2000 ft)? Should I split it down the middle and hope we're close?
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