1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 260Get this manual
CHAPTER SEVEN (Figure 28)The fuel rail is attached to the throttle body with screws (Figure 29)NOTE It should not be necessary to separate the fuel rail from the throttle body assembly
be damaged by the cleaner are removed before using harsh cleaner
1If necessary, the fuel inlet fitting (7, Figure 27) can be unbolted and separated from the fuel rail for cleaning2The fuel pressure regulator (2, Figure 27) can be unbolted and separated from the fuel railThe regulator assembly is available for service only as unitDo not attempt to disassemble this unitNOTE The ECU chip and each of the injector nozzles must be properly matchedA red, yellow or blue paint spot should be on the ECU chip, the ECU housing and each ofthe injector unitsWhen ordering replacement parts, be sure you know the color code of the componentsIf you have questions about correct application, see your Arctic Cat dealer