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Snowmobile related tech and specifications

Snowmobile driver diameter specifications

2.52” pitch drivers

inches

Metric (rounded to nearest mm)

10 tooth

8.021” diameter

204 mm

9 tooth

7.219” diameter

183 mm

8 tooth

6.417” diameter

163 mm

7 tooth

5.615” diameter

143 mm

2.86” pitch drivers



8 tooth

7.283” diameter

185 mm

7 tooth

6.373” diameter

162 mm

3.00” pitch drivers



8 tooth

7.639” diameter

194 mm

7 tooth

6.685” diameter

170 mm

Changing driver size will also effect over-all gear ratio. For example when changing from a 2.52” 9 tooth driver to a 2.52” 8 tooth driver. You would multiply your 9 tooth ratio by 1.13.


Example: 20/40 gears with 9 tooth drivers would be 2.00 to 1. When switching to 8 tooth drivers with the same gear set the new ratio would be 2.26 to 1. (2.00 x 1.13= 2.26)


Note: the 1.13 multiplier only applies to 2.52” pitch drivers. Although the 2.86” is fairly close to the 2.52" and could be used for a 2.86" driver to get a general idea of ratio change. 

Rear suspension weights

Arctic Cat Alpha 1 154" with front and rear QS3 float shocks, Hygear dual chamber on rear shock 37lbs 10oz


Arctic Cat XF7000/Yamaha SR Viper stock 141" ...43lbs


2014 Arctic Cat XF7000 with 153" rails, BDX swing arm kit, 2 idler wheels removed and ice scratchers added...38lbs


Yamaha pro-action Viper (w/136 Mountain Max rails)...74lbs


09 Yamaha Nytro XTX 144", stock (all idler wheels attached)...74lbs


Timbersled Nytro 144", ice age rails, Float X rear shock, 2 wheel axle, (stock 8" Cat wheels), stock Yamaha upper wheels and skid mounting bolts...36lbs


Timbersled Nytro 144", ice age rails, Float X rear shock, 4 wheel axle (stock 8" Cat wheels), Yamaha upper wheels and skid mounting bolts...37.5lbs


Arctic Cat 153" with float shocks, minus boggy wheels, with ice scratchers Thanks to hugger70mtnmax for 

spec!...43lbs


Yamaha Nytro 153" pro-mountain, all stock, including stock drop brackets....74.7lbs


Yamaha Nytro 153" pro-mountain, same as above, includes front shocks...78.7lbs


Timbersled Nytro153" Yamaha rails, Timbersled drop brackets, Includes Fox Float 2 front suspension shocks. 


Thanks Lone Viper!....46.2lbs


Yamaha 2010 MTX 162", stock including factory ice scratchers...58.5lbs


Timbersled 162", Wahl 4 wheel anti-stab kit, sidekick scratchers, 2 wheel kit Timbersled upper wheels...34.6lbs


Timbersled 162" same as above, except with Exit piggy back front shock, (4.3lbs)remote resi rear shock (7.0lbs)

Thanks to tapex_07 for 162" specs!...45.9lbs

Note: weight specifications were measured using a digital scale. They are for general information purposes only.

Specifications may vary from sled to sled and may change without notice.

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