Arctic Cat Discussions about Arctic Cat ATVs.

02 400 front lockers

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Old 05-04-2019, 08:23 PM
Trailblazer
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Default 02 400 front lockers

I own a 2002 Arctic Cat 400 with a solid axle and have been using it as a mud bike. I discovered that the stock front diff is an open diff. I was wondering if anyone knew a diff from another bike to fit and gain lockers or a full time locked. The stock gear ratio is a 3.6(according to the manual).
 
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Old 05-07-2019, 04:07 PM
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I have been viewing an 05 650 front diff. Any idea if it would fit?
 
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Old 05-21-2019, 12:56 AM
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In the off chance anyone is doing this here is what I have done. I bought a 05 Arctic Cat 650 front differential. I unbolted the upper A-arms, lower ball joints, shocks, and the axle. I then took the axles out and unbolted the diff from the engine prop shaft. I then pulled out the old differential. As the axles go the right side will fit fine (stock 02 into 05). The left axle will have to have the inner joint changed (the side that goes in the differential. I bought mine off of ebay. This joint has to be changed to utalize the locker this differiental has. For the 4x4 toggle the whole rear portion of the old diff can be reused (where the engine power turns the pinion gear), allowing the stock mechanical 4x4 shifter to be reused. After having all of this done i put the new differental in and bolted everything back up.
 
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