1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 246Get this manual
236 fuel pressure by attaching fuel pressure gauge to the fuel lineIf fuel pressure is low, or insufficient volume is suspected, be sure to inspect the fuel tank pickup filters (B, Figure 6)Make sure the battery voltage is not lowExcessively high pressure can be caused by restricted return hose between the regulator and the fuel tankDo not attempt to disassemble the regulator (Figure 7)
CHAPTER SEVEN