• Primary clutch spring – 160 -327 Polaris Quick Change .120 – .130 Shim Behind spider.
• Primary clutch weights – K-1 38.5 – 39.5 grams cut tail, P-1 40.00 – 42.00 cut tail. 10m red mod 42 grams.
• Engagement – 5000-6000 rpm
• TPR-1 pipe Max rpm – 9800 – 10,000 rpm, TPR-2 pipe Max RPM 9500 RPM.
• Secondary clutch – Polaris button – R-8 50/34 long start, R-34 50/34 short start.
• Secondary clutch spring – Polaris blue, 2nd hole, TPR purple white stripe 2nd hole.
• Belt – 3211177, 3211114
• Carburetors – VM round 40.00mmm taper bore.
• Main jet piston port – 32+ degrees 420 main, 25+ degrees 430 main, 20+ degrees 440 main, 10+ degrees 450 main.
• Main jet reed – 32+ degrees 510 main, 25+ degrees 520 main, 20+ degrees 530, 10+ degrees 540 main.
• Pilot – 45
• Airscrew – 1.5
• Needle – 6dp1
• Nozzle – Q4
• Cutaway – 1.5
• Fuel ~ Sunoco – 112, VP-112
• Oil 24 to 1 Redline, PJ1 Gold fire
• Pipes – 440 TPR Pro Flow .990 I.D.
  • TPR-1 modified 340 pipe 9800 RPM
  • TPR-2 modified 440 pipe 9500 RPM
• Piston skirt – 68.5 mm
• Intake – 101mm X 48.5mm X 68.5 mm
• Exhaust – 28.5mm X 50.0 mm non-trapazoid X 60.00mm
• Timing – TPR-1 28 degrees@5000, TRP-2 14 degrees@9500
• Head – 14 to 1 comp, squish .050.
• Gearing – 18-41 92.72 mph, 18-42 90.33 mph, 17-41 86 mph, 17-42 84 mph, 19-42 95.23 mph

Non-bias dyno sheet on Troy’s 440 Super Mod – 113.1 HP!