Hutch215

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About Hutch215

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  1. Update I ended going two steps stiffer on both the low and high speed rebound stacks. Came out 2 more from stock on the low speed comp. (12 out) and another 1/4 out on the high speed comp. from stock (1 1/2 out). Left the rebound on the stock setting (14 out). Set the sag at 95mm, got 25mm free sag with the 6.6 spring. Haven't ridden it yet, but hoping for an improvement with handling. I also found out upon disassembly I notice the last 1/4 to 1/2 inch of shaft extension it felt like it either had air in it or it was a little low on oil. 48 hours on it, never been apart. That could have been creating some problems with it as well?
  2. My springs are from different manufacturers. I need to stiffen up the rebound valving some with either spring. I'll try the 6.3 again and see where I am at on the free sag after I set the race sag at 102 to 105. You guys are probably correct about being able to use the lighter spring and getting in the free sag window of 35-45mm. Thanks for the assistance.
  3. Mog a friend of mine with the same bike recommended to set the sag at 95mm to get more weight on the front end to help it corner better. When I had the 6.3 spring on it, my spring preload was about 15mm, 95mm RS and about 30mm FS. I know I wanted to my FS to be 35mm - 45mm. Because of the 15mm preload on the spring and not enough FS I went up to the 6.6. Instead of setting the 6.6 at 95mm I went with MXA's setting of 102mm. With the 6.6 I have less than 10mm of spring preload and about 35mm FS. I might not have the exact numbers for my sag settings but based on the excessive preload on the 6.3 spring that why I went with with heavier spring. I think the 6.6 was the only next size stiffer I found.
  4. Thanks GHILL28 for the advice. I have 4) 40mm x .20 shims I can put on the rebound base stack. Come to think of it I rode on Saturday with the rebound adjuster all the way in and noticed the rear felt like it was deflecting off a lot bumps and jump faces. Was reading up on how the rebound clicker affects the compression free bleed and stiffens up compression as well. Now I see it makes sense not to stiffen up the compression side of the valve. I tried a 6.3 rear spring first and was only able to get 95mm RS and about 30mm FS with that spring. I went to the 6.6 and was able to get 102mm RS and 35mm FS, the numbers I was shooting for.
  5. Need shock shim stack recommendations for 16 YZ450F. Went from stock 5.6 rear spring to a 6.6 kg/mm to achieve correct sag numbers. Thinking about adding 2 more face shims to both sides of the valve, 44mm x .20 and 40mm x .20. Not sure if that will stiffen up the valving enough for the spring rate change. 225 lb Vet Amater b/c motocross. Thanks for the assistance!