warning to all 400ex owners
#11
warning to all 400ex owners
a reply for fastbansheekid, it is just something that happens every so often, when assembling the motor, sometimes everything just fits together perfectly and with a good break in, the motor could be noticeably faster, i have had my quad dynoed to see what was going on, i changed everything back to stock(even jetting) and it registered about 1.5 hp more than 2 other stock 400exs they tested, lucky me
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Jeff Roper
Polaris Ask an Expert! In fond memory of Old Polaris Tech.
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02-01-2022 11:48 AM
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