Friction type noise - Yamaha Grizzly ATV Forum
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post #1 of 4 Old 04-12-2019, 10:53 PM Thread Starter
 
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Friction type noise

Hi everyone. When I started my Grizzly 700 today there was a friction type of noise from what it sounds like near the primary. The machine has never been immersed that deep and Iíve never messed with it prior. Also it only has about 400 miles. The service dept. at the dealer says remove the primary cover and look for debris (maybe a mouse). Any suggestions would be greatly appreciated. BTW, great forum (I just joined today).
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post #2 of 4 Old Yesterday, 10:52 PM Thread Starter
 
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Another forum thread says to check the clutch cover after removing and inspect the area. Another says something about a single bearing type of problem. Any thoughts out there?
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No way of knowing what's wrong until you open her up and do a thorough inspection

2009 Grizzly 550 Special Edition, Red Midnight Armour, EPS, 26"Pitbull Growler BG2.5 xor, on 12"polished alloy SE wheels with 1"spacers, Yamaha overfenders & windshield, Heat Demon grips & thumb warmers, 2500lbs Warn winch, two up seat / storage box, Moose rear bumper, Gold Plugs in diffs & engine, Pod Mod set to 45, COOP45 machined sheave (3:1), 18 gram weights, EPI Orange spring
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post #4 of 4 Old Today, 10:50 AM
 
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Welcome from Colorado.
The cover is fairly easy to remove for inspection, other than there being several bolts and you have to remove the running board for easier access both removing and installing.
Once you have the cover off, before removing the primary cage, turn the primary by hand. Clock-wise the one-way should lock the pulley to the crank, and counter clock-wise the pulley should turn easily. See what you have.
You can remove the cage easily, there are 4 bolts. 2 long and 2 short, so keep track of what comes from where for installation, then count your pulley ratio and let us know what you have.
The ratio is important, and on most 700's is around 2.5:1 stock. Count it to the 1/24 of a primary turn for accuracy. There are 24 veins on the primary.
You say it hasn't been that deep, but there may be a C.V.T. vent tube not sealing properly.
Let us know what you find.

Jim,
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