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  1. K

    Re jetting and adjusting top end RPM

    Hey all, I’ve got a 1990 Indy 650 triple that I’m turning into a mod sled. The engine has been re built and I put new intakes on all the carbs to replace the old air box. I’ve re jetted and got my mixture and idle where I want it but I’m having a hard time adjusting my RPM at the top end of...
    • Kevin1125
    • Thread
    • 650 carbs carburetor indy jet performance race sled snowmobile vintage
    • Replies: 1
    • Forum: Race Sleds 440/600
  2. matthew coull

    17' Assault Stage 2+ best trail setup?

    Hello. I'm fresh meat to this forum! I have a 17' assault Stage 2 slp and was wondering a few things about it. I have fooled and fooled with clutching/gearing and cant seem to get it to work as I intend it to. I'm trying my best to gear it up for aggressive trail riding/660ft drags. with the slp...
  3. S

    2017 600r

    Looking to buy a 2017 600r. For the jetting what is the best for trail riding? I saw online they have “trail” jets. They say they are good from 0-2000ft and 0-32 F. Or I could jet to -15 F and get a Tempaflow, which is more expensive. Am I going to loose performance with the trail jets? If...


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