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Martin Monster Beast

The Martin Monster Beast is a full suspension, chain driven scooter. The Beast is the most powerful scooter released by Martin Monster.

Technical Specifications[]

  • Motor: Mitsubishi 52 with non-tunable Mitsu 43 carb
  • Oil Mixture Ratio: 25:1
  • Top Speed: 30 mph
  • Range: 20-30 miles per tank
  • Clutch: 78mm centrifugal clutch
  • Transmission: chain drive
  • Tension System: Snail type adjusters on rear axle
  • Brakes: front disc brake
  • Wheels: aluminum
  • Tires: knobby 10" air tires
  • Handlebars: welded T-bar
  • Suspension: front and rear suspension
  • Folding: yes
  • Deck: wood
  • Frame: high tensile steel
  • Frame Protection: none
  • Dry Weight: 40 lbs.


Transmission[]

  1. 35 Chain reduction drive with 78mm centrifugal clutch. 7 tooth front sprocket, 60 tooth rear. The Beast was often maligned for a poorly thought out drive system. With the single reduction making for an extremely tall final drive ratio and non tunable stock carb the Beast has a hard time climbing steep hills or carrying heavier riders without extensive modification. Master links on the original chains also had a habit of failing due to the small front sprocket.

Suspension[]

Martin Monster Beast rear suspension

rear suspension

Controls[]

Brakes[]

Martin Monster Beast brakes

front disc brake


Adjustments[]

Reliability[]

You'll never have to replace[]

You may eventually have to replace[]

You should immediately replace[]

References[]


See Also[]

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