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Thread: pulley 300lx

  1. #1

    pulley 300lx

    hai all,
    i want to upgrade my SC pulley, with a double belt pulley with this spec :

    Sc pulley 105 mm
    Tensioner wheel 85 mm
    Engine coupling 100 mm
    Boost 17 psi
    Used this kit need more fuel pleasure
    About 58-60 psi

    have anyone use this size and significant ?

    thank you allClick image for larger version. 

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  2. #2
    What's your reasoning for wanting dual belts? Really no major need for them

  3. #3
    Quote Originally Posted by mwhc View Post
    What's your reasoning for wanting dual belts? Really no major need for them
    You'll do this when you want to spin your supercharger to higher rpm , since it has a lot of inertial wheight to prevent slippage of the belt .

  4. #4
    Hahaha ok your theory sounds good but what about those of us who have spun the smallest pulleys available to 9k rpms and never had any issues?

  5. #5
    for a durability ? WDYT ? sometimes i use for long ride twice a week,.thats why i was thinking for double belt.
    Quote Originally Posted by mwhc View Post
    What's your reasoning for wanting dual belts? Really no major need for them

  6. #6
    ANTONYUK's Avatar
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    Quote Originally Posted by mwhc View Post
    Hahaha ok your theory sounds good but what about those of us who have spun the smallest pulleys available to 9k rpms and never had any issues?
    pulley for double belt
    more reliability in race conditions

  7. #7
    Quote Originally Posted by ANTONYUK View Post
    pulley for double belt
    more reliability in race conditions
    Right !

  8. #8
    Ok so I'm not say the theory is wrong. Who here, personally (not someone you know) has shredded a belt in a race?

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  10. #9
    My name is Sean and I am addicted to STXs smokeysevin's Avatar
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    Only belt slip I have seen has been when a catch can puked in the hull, oily water got tossed up due to a missing drain plug and THEN the belt slipped. Mike was there for that one.

    Sean

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  12. #10
    Take the time to smile sirbreaksalot's Avatar
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    5 x 300/310 skies min 150 hrs on each ski ... all small pulley and tune and spinning upto 8300 , open ocean hard WOT ridding never broken a belt or experienced a belt issue...
    It's a good thing if you want to spend money yep.
    Is it needed for a REC ski NOPE...
    Is there advantage in a race ski .. potentially
    If you maintain your ski well it's a none issue.
    Also long as the smaller pulley you run his supplied with the larger idler pulleybyou maintain wrap and tension all will be fine

    Waz


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