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SB: 2002 MX Zx 440 Racing - High Compression

Ski-doo 2002 MX Zx 440 Racing

PROBLEM:

Limited warranty coverage cannot be validated o­n above mentioned units with factory installed high compression inserts, main jets, octane selector switch and harness.

Models Affected:

2002 MX Zx 440 Racing, 1948/2120/2129, ALL

SOLUTION:

1. Change the high compression inserts for standard compression inserts.

2. Remove the octane selector switch and the harness (located between switch and connector under console).

3. Change main jets.

IMPORTANT: A hang tag is now being attached to all involved units not yet delivered to dealers/distributors stating the importance of inserts and main jets change with removal of octane selector switch and harness (located between switch and connector under console) in order to validate the limited warranty coverage.

CAUTION: This vehicle was designed and built for snow cross racing application. It is factory calibrated to use 108 octane fuel. Use of lower octane fuels as regular and even premium pump fuels is inadequate and will cause severe engine damage. Never run or even start the engine with regular pump fuel.

PARTS REQUIRED:

2 - Standard Compression Insert, PN# 420 923 870
1 - Main Jet (310), PN# 404 107 800
1 - Main Jet (300), PN# 404 101 200
1 - Plug, PN# 572 051 500
1 - Locking Tie, PN# 414 115 200
 
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