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TRACKMASTER 1 SPECIFICATIONS
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| BORE | 3.3125" |
| STROKE | 2.532" |
| DISPLACEMENT | 21.8 CU IN |
| INTAKE VALVE | 1.34" DIAMETER |
| EXHAUST VALVE | 1.16" DIAMETER |
| THROTTLE BORE | 1" DIAMETER |
| ROD JOURNAL SIZE | 1.186" DIAMETER |
| CRANK PTO SIZE | 1" DIAMETER |
| PISTON | FORGED ALUMINUM - 2 RINGS |
| IGNITION | MAGNETO - TIMING ADJUSTABLE 15 DEGREES |