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Favorite Links:

>Kids Pro Ice West

    NW MN & E. ND

 

>KCPRO-East

    Northeast MN

 

>WI Kitty Cat Racers

    Wisconsin

 

>WI Kids Snowmobile

    Racing Association

    Northern WI

 

>Michigan SnoX

    All MI

 

>Rock Maple Racing

    Northeast USA

 

Other Links:

>KittyCatSnowmobiles

    Message Board

 

 

 

 

 

Arctic Cat 120cc Suzuki Engine

Piston and Crankshaft

Suzuki High Performance Valve Springs - Gen6

This valve spring for the Arctic Cat 120cc is the best available anywhere. If you are not required to run a rev-limiter, you can expect to see up to 500 rpm or more increases over the next best competitor's springs. If you are required to run a rev-limiter, it makes this spring even more critical because you want to be the first to get out front and then hold off the pack.

These springs are custom made and designed to vastly improve low to midrange torque and a higher top end rpm. Due to the manufacturing process these springs last much longer than any other on the market. While competitor's springs lose greater than 9% of their strength in the first heat cycle and then 2% each heat cycle after that, these OBDi exclusive springs lose approximately 3% on the first heat cycle and less than 0.4% each cycle after that. After 12 heat cycles our springs have still not lost as much strength and performance as our competitor's after their first heat cycle.

     

0694-036-G6 | $9.00 per pair      

 

 

Suzuki OEM Valve Spring, each

These valve springs are direct from Arctic Cat. Only if your club requires OEM springs should you consider these. These springs are not even close to the performance level of the Gen6 valve spring above.

0694-036 | $7.95 each      

 

Suzuki Valve Spring Retainer

Text

0693-313 | $9.95 each     

 

Suzuki Cotter Valve

These are wedged pie shaped retainers that fit within the valve spring retainer, fasten to the valve stem, and hold the valve springs into the head. There are two required per valve retainer and four total for each head.

0693-281 | $2.09 each     

 

Suzuki Piston, Standard

Text

0691-398 | $65.00      

 

Suzuki Piston, +0.010" (.25mm)

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0691-569 | $53.00      

 

Suzuki Piston, +0.020" (.50mm)

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0691-570 | $80.00      

 

Suzuki Ring Kit, Standard

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0691-399 | $50.00      

 

Suzuki Ring Kit, +0.010" (.25mm)

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0691-571 | $45.00      

 

Suzuki Ring Kit, +0.020" (.50mm)

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0691-572 | $45.00      

 

Suzuki Connecting Rod

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TBD | $127.00      

 

Suzuki Connecting Rod End Cap Jam Nut

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3007-703 | $2.59 each     

 

Suzuki Piston Pin

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0691-400 | $13.95      

 

Suzuki Circlip

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0691-378 | $1.29 each     

 

Suzuki Connecting Rod Splash Plate

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0691-402 | $7.95      

 

Suzuki Rocker Arm Pivot Nut

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0691-413 | $11.95 each     

 

Suzuki Pivot Jam Nut

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0691-413 | $1.79 each     

 

Suzuki Rocker Arm

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0691-412 | $5.95 each     

 

Suzuki Intake Valve

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0694-008 | $34.00      

 

Suzuki Exhaust Valve

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0694-009 | $50.00      

 

Suzuki Crankshaft Assembly

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0694-027 | $400.00      

 

Suzuki Push Rod Guide Plate

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0691-415 | $6.95      

 

Suzuki Push Rod

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0691-407 | $11.95 each     

 

Suzuki Tappet

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0691-106 | $20.95 each     

 

Suzuki Camshaft Washer

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0691-840 | $3.19      

 

Suzuki Circlip

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0691-378 | $1.29 each     

 

 

 

 

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.
  • There is a rev-limiter for the 1999 to 2009 Arctic Cat 120 with the Suzuki engine and a different rev-limiter for the 2010 and later Arctic Cat and Yamaha 120 with the Yamaha engine.

Arctic Cat SUZUKI Rev-Limiter

1999 to 2009 Arctic Cat

$50.00

A02-0300

Arctic Cat YAMAHAi Rev-Limiter

2010 and later Arctic Cat & Yamaha 120cc snowmobiles

$50.00

A02-0400

 

Click Picture to Enlarge   

 

Yamaha Engine Performance Kit (ISR LEGAL)

  • This kit is an absolute must have to run in any stock class race in order to compete.
  • The Yamaha engines were made for longevity, not performance. Therefore, Arctic Cat created a kit that would allow the Yamaha engine to run equal to the Arctic Cat 120 with Suzuki engine and the Polaris 120 in stock classes.
  • The kit includes a high performance camshaft, valve springs, carburetor jetting, offset flywheel key, and gaskets.

Yamaha High Perfomance Kit

$249.00

A02-0401

Click Picture to Enlarge   

 

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"

KOSO Mini RPM Tach

$59.95

A02-0001

Click Picture to Enlarge   

 

Carburetor Jetting

  • 120s typically come with 47.5 or 50 pilot jet. The pilot jets control how much air is allowed into the carburetor to mix with the fuel, thus creating a fuel to air ratio. In order to allow more fuel into the engine, you need to increase the pilot jet size first. Then you'll be able to increase your main jet size (or if using an adjustable main jet you'll be able to increase fuel flow) to match the fuel to air ratio and thus get more fuel into the cylinder.

  • Olson Brothers Dist is working on a new adjustable main jet for 2016/17 season and will post more information in the fall. For right now, we only carry in stock adjustable main jets for the Arctic Cat Suzuki engine.
Pilot Jets                                $7.50             
Arctic Cat Static Main Jets         $9.25     

Click Picture to Enlarge   

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.

Standard 120cc Spark Plug (BPR6ES)                                            $2.50     NGK-BPR6ES

Iridium Race Spark Plug (BPR6EIX)                                               $9.25     NGK-BPR6EIX

E3 Race Spark Plug (Heat Range 6)                                               $9.25     E3.34

E3 Race Spark Plug (Heat Range 7)                                               $9.25     E3.31

Click Picture to Enlarge   

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