Long Over looked Rotax Engine!

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Armilite

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Joined
Sep 5, 2011
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Location
AMES, IA USA
Long Overlooked Rotax Engine the 462UL was rated 38kw = [email protected] with a Single Carb! 470 Sleds Sell for $100 to $400.

Same Rotary Valve Engine as a Skidoo 470 which is turned to 7750rpm Stock in a Sled. I believe they were rated [email protected] in a Sled with Dual Carbs.

1993-1999 are Provision 8 Cases.

(69.5mm x 61mm) 463.0cc/7cc= 66.1hp@6500rpm with a Good Tuned Pipe and Proper SIzed Carb!


Specifications (462)[edit]
Data from ROTAX Repair Manual for engine type 462 - 532 - 582 UL

General characteristics
  • Type: Two-cycle, two-cylinder rotary valve engine, oil-in-fuel lubrication, liquid-cooled, with integrated water pump
  • Bore: 69.5 mm (2.74 in)
  • Stroke: 61 mm (2.401 in)
  • Displacement: 463.0 cc
  • Dry weight: 32 kg (70.5 lb) (dry, no exhaust system)
  • Carb: 1 x BING 36mm
Components
  • Valvetrain: Rotary valve
  • Oil system: oil-in-fuel lubrication
  • Cooling system: liquid
  • Reduction gear: 2.0 / 2.24 / 2.58 / 3.0
Performance
  • Power output: 38 kW (51 hp) at 6500 rpm (standard version), 28 kW (38 hp) at 5500 rpm (low performance version)
  • Compression ratio: theoretical: 11.5, effective: 6.7
Service Manual:
 

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