HCS Snowmobile Forums - View Single Post - 2002 ZL 600 EFI servo cycle issue
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Old 01-17-2017, 02:39 AM   #6 (permalink)
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aglick87's Avatar
Join Date: Mar 2008
Posts: 874
Current Sled(s): 15 xf800, 04 zr 900, 03 zr hooper, 01 T-Cat
Previous Sled(s): 1989 wildcat 650, 04 F6 Early Build
Location: Belleville, Pa
Favorite Riding Area: New Brunswick, Canada
19-20 Mileage:
18-19 Mileage: 2200
Age: 32
Riding Since: 1993

My uncle had the exact same sled and it went through (2) timing pickups on the flywheel. His had the same symptoms as yours. Erratic power valve operation. Changing the sensor fixed his both times.
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