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  1. Official Clutch Forum
    Hello everyone, new the the grizzly world just bought a 660 and so far pretty good. It’s a 2002, plastics have been custom painted metallic blue by him. Since I have gotten it put a rad relocate kit on it and 30x10x14 bkt. The bike still has plenty on power but could use a little bit more...
  2. Official Clutch Forum
    I just bought a 2002 Grizzly 660, bone stock besides some mudzillas that are stock sizing and and rad relocate. I’ve read all over that these bikes would hit 60+ no problem, but mine seems to limit out around 46 mph. It pulls hard up until about 43 then just seems to run out of speed, like it’s...
  3. Official Clutch Forum
    My first post, please excuse me if this is a duplicate question ... I need to replace the one-way bearing in my clutch assembly. The service manual says I also need to replace the clutch housing. My clutch housing seems to be OK. Do I need to replace it?? Thanks!
  4. Official Clutch Forum
    Hi, i have 2013 grizzly 700 se, I have ehs big 3 package currently. I just ordered 27" tires and new ss216 rims, also a epi purple spring, and 1.5mm shim. Now what I'm torn between is going to 18gram weights or 16gram. I want performance but I'm worried about fuel economy. My mileage took a...
  5. Grizzly Engine & Transmission
    Hi, I have a 2013 grizzly 700, currently have ehs air box, barkers slip on, and ehs programmer. I just ordered a new set of rims tires 27" CST abuzz and itp ss216's, epi purple spring, 1.5mm shim, and now looking into clutch weights, my 13' has 20 gram stock weights, i am debating between...
  6. New Member Introductions
    Hello everyone I'm new here but was recommended by a friend, my father inlaw recently purchased a 2012 grizzly 550 and when he purchased it in the back seat was a gold clutch spring. I am wondering if it will fit my 2004 grizzly 660, and is there any way to determine what clutch it is intended...
  7. Official Clutch Forum
    I have a stock 2011 grizz 700. I ride hard and mostly mud, some trail but very little. I'm thinking about skipping a 2inch lift and just putting 28 inch mega mayhems on it with a clutch mod, but what type & brand clutch would be best?? Or should I just put 27's on and call it good?? Also if...
  8. Official Clutch Forum
    Hello from NC I wanna talk about clutch performance with ya'll to see if i can get any help on this. I have an 08 Grizzly 700, running 30" silverbacks with wild boar rad relocator, HMF exhaust, HMF optimizer and K&N air filter. It does have a clutch kit with some clutch work done but i want...
  9. Official Clutch Forum
    i have a '11 450 griz i see on ebay and amazon all these different clutch kits,,,,well they look the same but the prices are all over the place, i would like more bottom end punch. i read on here to use a 1.5mm shim, now is that just as good as a kit?
  10. Grizzly Engine & Transmission
    Ok I'm a yamaha lover I've had like 4 Grizzlies, 3 Big Bears, & a Kodiak! And none of them has done what this 1 is doing! Ok it's a 2005 Grizzly 660, has the 686 big bore kit, epi mudder clutch kit, jetted carb, hmf exhaust, & snorkeled with 2" pipe. It has ran fine tile a week ago when the...
  11. Official Clutch Forum
    I have a clunking noise in my CVT side clutch area. I am leaning towards the one way bearing but I really need some guidance before I do a bunch of stuff. What happened was this. Im driving it up a hill and crank into it kinda hard. Front wheels stand up. It comes back down. Not hard or...
  12. Official Clutch Forum
    So after doing some reading here I've decided that I'm going to go with a 1.5 mm shim mod, grease less Slider weights, and a purple EFI Spring. my question is about the weights. Is 12 Grams too light? or should I only go down to the 14 Gram? Just about to place my order and wanted to check first...
  13. Grizzly Engine & Transmission
    08 grizz 700 has 158 hours and 500 miles on it. i recently replaced wet clutched regreased primary clutch and installed a new one way bearing. when in neutral i rev up the grizz and on the decel it makes a loud clunk. the clunk doesnt happen everytime as its intermitten. any ideas???
  14. Official Clutch Forum
    My grizz 700 was just purchased. I noticed once I got home that from stand still in high and low you have to rev motor a good bit before it actually takes off strong. Under a light load it feels like it tries to pull but not feels like a brakes holding it back. I do not smell rubber from the...
  15. General Discussion
    Gooday Can anyone tell me what the max tolerance I can machine the grooves out of the wet clutch hub? Thanks
  16. Official Clutch Forum
    Gooday all First off I would like to say this forum is full of great info and ultimately helped in my dicision to purchase a 07 grizzly 700. The bike only has 4000km but there is signs of neglect. I had some clicking noise I first thought was the exhaust. Turns out it the the bearing in the...
  17. General Discussion
    Hey guys I'm new to the group maybe yall can help me out. I just installed a EPI utility clutch kit on my 2004 Kodiak 450. It came with Springs for the wet clutch, weights for the primary and the blue spring for the secondary. Prior to doing so I was having a little back shift issues and it has...
  18. Grizzly Engine & Transmission
    Bought a 660 grizzly last night. Wasn't running. Guy said it smoked and timing chain was rattling. Couldn't beat the price so I got it. Got the top end tore down. Went ahead and opened the clutch cover up to take a look, he said someone put a clutch kit in it and I wanted to see their work. Good...
  19. Official Clutch Forum
    I'm working on a 2003 grizzly 660. Is there some kind of puller required in order to remove the primary clutch for rebuild?
  20. Official Clutch Forum
    So I am looking at buying new tires and am thinking Kenda bear law htr's in 27"x12 tire size. My 2013 Grizzly 700 EPS is totally stock otherwise and I'm wondering if I wait to put a clutch kit in until spring or summer if riding that way could do any damage to the motor or transmission? We...
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