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and stack order
Big Bore Cylinder and Piston Kit (750cc) - 80mm - 20mm - 9:1
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XS650Direct part number: 24-2087
1970-84 Yamaha XS650 TX650 XS2 XS1 Auto Advance Retainer Nut SR500H 1981 and stack orderAuto Advance Retainer Nut. This metric hardware replaces the listed fastener size and should match thread, length, head style, finish, and load location. Replace this auto advance retainer nut when points are pitted, timing drifts, advance sticks, or spark becomes inconsistent after basic wiring checks. Fitment Compatibility Fits Yamaha: Yamaha TX650 (1973 74) Yamaha XS1 1970 Yamaha XS1B 1971 Yamaha XS2 1972 Yamaha XS650 (1975 81) Yamaha XS650S (1978
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