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techtalk:evo:engmech01 [2020/08/02 01:49] hippysmack [Flywheels] |
techtalk:evo:engmech01 [2020/08/02 02:00] hippysmack [Flywheels] |
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| |{{:techtalk:evo:engmech:flywheel_assembly_23905-00_by_aussiegazza.jpg?direct&300|}}|{{:techtalk:evo:engmech:flywheel_assembly_23905-00a_by_wilbur.jpg?direct&300|}}| | |{{:techtalk:evo:engmech:flywheel_assembly_23905-00_by_aussiegazza.jpg?direct&300|}}|{{:techtalk:evo:engmech:flywheel_assembly_23905-00a_by_wilbur.jpg?direct&300|}}| | ||
| ====== Flywheels ====== | ====== Flywheels ====== | ||
| - | **Late 1986 FLYWHEELS AND CRANK PIN BEARINGS CHANGES**: \\ | + | **Late 1986 flywheels and crankpin bearing changes**. \\ |
| - | Information from Technical Service Bulletin #M-927. [[techtalk:miscres:miscres05#tsb_900-949|Click here to see the actual bulletin on this page in the Sportsterpedia]]. \\ | + | Information from Technical Service Bulletin #M-927. [[techtalk:miscres:miscres05#tsb_900-949|Click here to see the actual bulletin from this page in the Sportsterpedia]]. \\ |
| Beginning with crankcase numbers 883cc (1786 083 003) and 1100cc (1886 090 012), a new crank pin bearing set and revised flywheels were installed at the factory. \\ | Beginning with crankcase numbers 883cc (1786 083 003) and 1100cc (1886 090 012), a new crank pin bearing set and revised flywheels were installed at the factory. \\ | ||
| The new crank pin bearing set (using the existing crankpin P/N) consists of three bearings in a package. Early production engines were assembled without thrust washers. \\ | The new crank pin bearing set (using the existing crankpin P/N) consists of three bearings in a package. Early production engines were assembled without thrust washers. \\ | ||
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| The color coding DOES NOT indicate size selection for crank pin bearing replacement. \\ | The color coding DOES NOT indicate size selection for crank pin bearing replacement. \\ | ||
| + | **1989 flywheel changes**. \\ | ||
| + | Information from Technical Service Bulletin #M-971. [[techtalk:miscres:miscres05#tsb_950-999|Click here to see the actual bulletin from this page in the Sportsterpedia]]. \\ | ||
| + | Beginning June 1, 1988, flywheels forged from a micro-alloyed steel went into production. Part numbers and color codes of assemblies with the new material were changed. \\ | ||
| **1991-1994 Flywheels**. \\ | **1991-1994 Flywheels**. \\ | ||
