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0735-446

2. Adjust the ski alignment by rotating

the adjustment tie rod.

3. When steering alignment is correct,

apply blue Loctite #243 to the jam

nut threaded areas and tighten each

jam nut securely against its adjust-

ment tie rod.

Ski Wear Bar

The ski wear bar is a replaceable bar

attached to the underside of the ski. The

purpose of the wear bar is to assist in

turning the snowmobile, to minimize ski

wear, and to maintain good steering con-

trol. If the snowmobile is operated pri-

marily in deep snow, ski wear bar wear

will be minimal; however, if the snow-

mobile is operated on terrain where the

snow cover is minimal, the ski wear bar

will wear faster. 
To maintain positive steering characteris-

tics, Arctic Cat recommends that the ski

wear bars be checked once a week and

replaced if worn to 1/2 of original diame-

ter. Ski wear bars are available from an

authorized Arctic Cat Snowmobile dealer.

Removing Ski Wear Bar

1. Raise the front of the snowmobile.
2. Remove the lock nuts securing the

wear bar to the ski.

0750-990

3. Remove the wear bar.

Installing Ski Wear Bar

1. Insert the wear bar studs into the

holes in the ski.

2. Center the wear bar studs in the

holes and install the lock nuts.

3. Tighten lock nuts securely.

Recoil Starter Air Vents

It is important for proper engine cooling

that the air vents located on the recoil

starter are kept clean. These air vents

should be checked periodically and

cleaned if necessary.

0744-923

Lights

The correct headlight bulb is p/n 0609-

991. The correct taillight is p/n 0609-934.
To change the headlight bulb, use the fol-

lowing procedure:

1. Open the hood; then disconnect the

harness connector from the head-

light bulb.

! WARNING

Neglecting to lock the steering tie rod

by tightening the jam nuts against the

adjustment tie rod may cause loss of

snowmobile control and possible per-

sonal injury.

! WARNING

Operating the snowmobile with

excessively worn ski wear bars may

result in a loss of steering control.

CAUTION

Serious overheating of the engine

and engine damage will result if the

air vents are not kept clean.

Summary of Contents for ZR 120 2021

Page 1: ...O P E R A T O R S M A N U A L O R I G I N A L I N S T R U C T I O N S Z R 1 2 0 p n 2 2 6 2 9 5 7 6 2 0...

Page 2: ...y Handbook and Snowmobile Decals display important information California Proposition 65 The Safety Alert Symbol means ATTENTION BE ALERT YOUR SAFETY IS INVOLVED WARNING WARNING identifies personal sa...

Page 3: ...Up Chart 13 Maintenance 14 23 Engine Oil 14 Carburetor 15 In Line Fuel Filter 16 Air Cleaner Filter 16 Spark Plug 16 Brake 17 Drive Chain 17 Drive Chain Tensioner 18 Track Tension 18 Track Alignment...

Page 4: ...t guardian and contain informa tion on snowmobile identification safe operating instructions lubrication mainte nance storage and after storage preparation If repair or service is ever required contac...

Page 5: ...4UF1S4EA MT100001 Standards to which conformity is declared EMC EN 55012 EN 61000 6 2 ICES 002 Vibration ISO 5349 ISO 8041 Manufacturer if not issuing agent Arctic Cat Inc 601 Brooks Ave S Thief Rive...

Page 6: ...4 Snowmobile Safety Rules...

Page 7: ...n Track Style Cobra Spark Plug Type NGK BPR4ES Spark Plug Gap 0 7 0 8 mm 0 028 0 031 in Ignition Timing Fixed 24 BTDC 3600 RPM CARBURETOR Type Mikuni BV18 11 84Z1 CHASSIS Overall Length 185 4 cm 73 in...

Page 8: ...6 Hangtags This vehicle comes with hangtags containing important safety information Anyone who rides the vehicle should read and understand this information before riding...

Page 9: ...7 Hangtags...

Page 10: ...safety information Anyone who rides the snowmobile should read and understand this information before riding The labels should be considered as permanent parts of the snowmobile If a label comes off o...

Page 11: ...o the tether switch located on the top right hand side of the con sole The tether cord MUST BE clipped to the operator s right wrist before attempting to start the engine Second you must check several...

Page 12: ...ot get off the snowmobile until it has come to a complete stop C Never drive the snowmobile faster than a safe speed Do not drive too close to roads buildings trees other snowmobiles or people Never s...

Page 13: ...comes from the factory with SAE 0W 40 synthetic oil installed The recommended oil to use in the engine is 0W 40 Synthetic oil See the viscosity chart for details OILCHARTJ Engine Break In The engine...

Page 14: ...until resistance is felt then give a short quick pull The engine should start however if the engine does not start repeat this step 6 When the engine starts push the choke approximately half way in A...

Page 15: ...50 Hours 3 Months Every 100 Hours 6 Months Every 300 Hours 12 Months Valve Clearance IA Engine Compression I Spark Plug I Fuel Supply Hose I R Replace every 3 years Gas Tank Shut Off Valve I IC Carbur...

Page 16: ...vel mark 4 Insert the oil level stick into the crankcase then rotate the stick clockwise until snug 5 Close the hood and secure with the straps Changing To change the engine oil use the follow ing pro...

Page 17: ...cap in or out within the adjustment range to obtain smooth low speed performance Throttle Cable The correct throttle cable adjustment is when with the engine OFF the carbure tor throttle is completely...

Page 18: ...plastic bag then pour in recommended air filter oil and work the oil into the filter 5 Clean any debris from inside the air cleaner Be sure no debris enters the carburetor 6 Place the filter into the...

Page 19: ...tween the brake lever and the lever stop The distance must be within the specified range of 6 13 mm 1 4 1 2 in 0725 565 3 If travel distance is not as specified adjust the brake Adjusting Brake Lever...

Page 20: ...ectly related to the over all performance of the snowmobile If the track is too loose it may slap against the tunnel causing wear or it may ratchet on the track drive sprockets Arctic Cat recom mends...

Page 21: ...he skid frame 2 Position the tips of the skis against a wall then using a shielded safety stand raise the rear of the snowmo bile off the floor making sure the track is free to rotate 3 Start the engi...

Page 22: ...driving style of the operator NOTE Equal adjustments should be maintained on both sides of the snowmobile The front shock absorbers have a preload adjustment sleeve with five preload adjustment positi...

Page 23: ...ency to wander and may be diffi cult to control therefore an adjustment is necessary Adjusting Ski Alignment 1 Make sure the ignition key is in the OFF position 2 Visually examine the skis to deter mi...

Page 24: ...e the front of the snowmobile 2 Remove the lock nuts securing the wear bar to the ski 0750 990 3 Remove the wear bar Installing Ski Wear Bar 1 Insert the wear bar studs into the holes in the ski 2 Cen...

Page 25: ...e to lock it into place The headlight aim can be adjusted to pro vide maximum illumination for the oper ator To adjust headlight aim adjust the screw until maximum illumination for the operator is app...

Page 26: ...the spark plug hole then pull the recoil starter handle slowly about five times C Install the spark plug and con nect the high tension wire 6 Remove the drive chain and clean thoroughly in a solvent...

Page 27: ...ng Replace if necessary Use cable ties or tape to route wires and cables away from hot or rotating parts 4 Inspect the drive chain and drive chain tightener Replace if neces sary 5 Lubricate the drive...

Page 28: ...s Fuel Filter Light Bulbs Windshield Drive Belt Torn or Punctured Upholstery Wear Bars Brake Pads Spark Plugs Drive Clutch Driven Clutch Wear Parts Wear Strips Shock Absorber s Limited to one 1 year o...

Page 29: ...you are in a location away from your selling dealer warranty may be performed by any authorized Arctic Cat Snowmobile dealer The authorized Arctic Cat Snowmobile dealer will examine the snowmobile or...

Page 30: ...zed Arctic Cat snowmobile dealer WARRANTY PERIOD The emission warranty period for this snowmobile begins on the same date as the standard warranty coverage and continues for 30 months or 2500 miles wh...

Page 31: ...process the application and issue warranty for the balance of the time remaining of the original warranty Warranty coverage is only available in the country in which the original retail purchase occur...

Page 32: ...Fold Back CHANGE OF ADDRESS OWNERSHIP ARCTIC CAT INC PRODUCT SERVICE AND WARRANTY DEPT PO BOX 810 THIEF RIVER FALLS MN 56701 USA Place Stamp Here...

Page 33: ..._______________________________________________ Phone _________________________________________________ Parts and Accessories When in need of replacement parts oil or accessories for your Arctic Cat...

Page 34: ...2020 Textron Specialized Vehicles a division of Textron Inc Trademarks of Arctic Cat Inc...

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