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Discussion Starter #1
So I took off my primary to clean it and realized I really should have an impact screwdriver so I have tabled it for now until I can get one. I have watched videos on Youtube and feel pretty good about doing it. Someone else has already worked on it (just bought it used). I noticed that there seems to be ALOT of grease in there. From what I have read/watched you should have about a tablespoon of grease in each roller "journal" and maybe a bit more here and there, but this guy has a poop load in there. The clutch has always seemed noisy to me, and when I took it to the Yamaha dealer to have a plow put on, the service mentioned it also. So my question is, could there be too much weight from the grease causing a "whirring" noise. I am sure that is somewhat normal, but mine seems pretty loud. This is my first grizz and first ATV for that matter. Thanks.
08 700 Grizz Armstrong steering system.
 

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I use a teaspoon in each channel. The grease is slung to the outside of the primary and shouldn't be the cause of noise.
 

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The excessive grease in your primary is probably from yamaha. I couldn't believe how much grease the factory uses in these things.

My clutchs also have a bit of a whinny noise at around 10km/h and always made a low knocking noise that's sounds like a bad con rod. It's always done since before and after a full service to both clutchs. I have two coworkers with grizzlys that reported simular noises to mine. It is my understanding that these are normal ultramatic noises.
 

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You really should not use an impact gun on this. I have seen many threads stripped on the shaft from the use of impact guns removing the primary clutch.
 

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Discussion Starter #5
I'm pretty sure this thing has been taken apart as you can see tool marks in the screws and the outer "plate" has a few bends in it from someone trying to pull it off. Good to know that this is not uncommon and probably not cause for concern. Thanks for the info. I broke a couple of vanes/blades off the primary clutch sheave? (the other half that is closest to the engine). I did a search and most people say don't worry about it but it was two vanes on the same side and was a little worried that could throw off the balance and affect the cooling enough. I got a new aftermarket knock off for $58 on amazon. I know it's not OEM, but I was thinking it pretty much just sits on the shaft and spins and it hardly took any effort to break the OEM ones, so it seemed worth the risk on this part anyways. I apologize for my poor terminology. Still new to these machines.
 

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Discussion Starter #6
You really should not use an impact gun on this. I have seen many threads stripped on the shaft from the use of impact guns removing the primary clutch.
I didn't use an impact gun on it. I'm talking about the 10? screws on the outer "plate" and getting an impact screw driver to get them off. I did a brief attempt with a regular screwdriver and am hoping I didn't strip one of the heads already.
 

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Each pulley half is called a sheave, and the one you are replacing is the fixed sheave. It may have been running out of line causing the noise.
 

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Welcome from WI
Clean and service you secondary also. Another member us a similar issue with his and it went away after general maintenance.
Good luck!



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