2006-2008 Polaris Snowmobiles FS/FST Service Manual., Page 6Get this manual
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Model Specifications 2006 FST Classic
8 ValveSOHCParallel Twin Cylinder w Counter Balancer 749cc 3.4585 2.6066 0.0006-0.0020.017-0.052
Table 1-11: Fuel Delivery Type Throttle Body M