IN THE CHECKOUT COMMENTS BOX, LET ME KNOW WHAT SLED YEAR, TRACK SIZE, RIDER WEIGHT WITH GEAR. (body weight plus 30 lbs)
Clutch kit for 2008~2016, 800R carburetor summits 146 to rail extended 174s that have 413 ramps in the primary clutch.
NOTE - you must know which ramp number 413? or 441? is installed in the primary clutch before you place an order.
the first time you roll on the throttle, a big engine feel will come through your handlebars.  Your thumb tells you, a tighter connection between the throttle and ground.  A pull from deep in the engine starts to tug on your arms as you hang on through twisty trees, following up and down roly-poly hills to long time full throttle pulls.
Lower engine speed at part throttle and press, then bam... 8300~8400~8300, track speed with smooth acceleration.
- The kit draws a lot of 800R grunt from underneath the hood.
Momentum gained like a longer track in technical riding, breaking fresh snow and keep it with ability to quickly increase track speed and hold it harder than stock clutching.
Precision throttle control, with longer time at a lower engine speed to make a decision which gives the confidence to go into places you might have before said (not today).  The kit renews with more track speed to get through compared to getting stuck with stock clutching.
It is easy to set the flyweight grams in clicker 4 and then the fun part - go test for 8300.  It pulls stronnnnnnng!
- I promise this.....BANG - 3mph more track speed than stock at full throttle in the deep snow with the stock gearing.
Remember that most tachometer have error.  Digital says 8150, Needle says 8300.  Most needle tachometer are 100~150 rpm high than actual.
Kit parts for 413 ramp
200/320 Grey primary spring
14.5~25 gram pin kit
218/305 secondary spring
24 grams, clicker 4, 0~3000 feet.
15.9 grams in clicker 4 for 4500~6500 feet.
13.9 grams in clicker 4 for Cooke city 8000~10000 feet.
$364 CDN + shipping (tax if applicable)
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