KOSO Rev Limiters (ISR LEGAL)

• As of the 2014/15 season, rev-limiters are now required to be used on all stock 120 class races. These KOSO rev-limiters restrict the maximum RPM to 6850 and are the only ISR approved rev-limiter devices.
• This rev-limiter uses a 9 volt battery for power so there is no power required from the snowmobile itself.
• A very simple three wire hook up to install.
• This rev-limiter is for the Polaris 120. The Arctic Cat and Yamaha are different.

KOSO Mini RPM Tach (with recall)

• This meter can be easily install on about any engines. Just wrap the RPM signal wire around your spark plug wire, set the number of cylinders… that’s it, you’re ready to go!

• Memory recall of highest RPM since last reset!
• Display range : 0~15,000 RPM
• Display speed : <0.5 second
• RPM input pulse : 0.5,1,1.5,2,2.5,3,4,5,6
• Battery type : CR 2032
• Battery life : 1000 Hours
• Size : Width = 2.4" x Length = 1.3" x Height = 0.6"

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Spark Plugs

• Standard and Iridium NGK spark plugs for Kitty Cat and all 120cc sleds. Order on-line or call 651-485-3771.

• Iridium plugs last longer and have more spark surface for better fuel ignition.

• E3 plugs are designed for high performance engines and have a diamond shaped electrode for greater spark.

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