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RED spring silver spring......???? 05 RX


No clutching expert here...so I don't know what a simpl;e spring chage will do for you if anything...but I am running Simmons CPR set up on my 05 and I am REALLY pleased with the hole shot and midrange. It's like a whole different sled! I don't think I gained anything on top end, and maybe even lost a MPH or 2, but that could be because I put anti ratchet drivers in it.

I'm running his air filter kit, clutch kit (stock primary spring,yamaha white secondary spring,Heavy Hitter weights and his helix) Kit also comes with 165 mains and blue carb springs. He also has you do a few other adjustments in the carbs. It's really not that hard to do. I am no professional but am fairly mechanically inclined. When I bought the kit, I bought it from Matt from The Speedshop. Matt is no longer doing it as it was just a side thing for him, but he was REALLY helpful and so was Jeff at Simmons. Jeff can get you set up and you WILL be happy with his stuff. I know Freddy (supertuner) also sells a similar kit. I have heard all good on his stuff too. I think they are pretty comparable kits. Either way you will LOVE the difference in the sled.
Maybe you can list something in the classifieds and buy a used kit from someone.
 


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