Motus MV4R Crate Engine

1650cc (100ci), liquid-cooled, cast aluminum, pushrod, 90-degree Baby Block V4. Brand New, fully crated ready to ship.

  • Cam-in-block, with two overhead valves
  • Splayed lifters for maximum valvetrain stability
  • Aluminum cylinder heads with splayed & canted valves for maximum flow and combustion efficiency
  • Automotive-style low mass, low inertia roller rocker arms
  • Maintenance-free hydraulic roller lifters
  • 4340 forged steel I-beam connecting rods
  • Three-ring forged aluminum pistons with moly coating
  • Wet sump with integral pick-up, serviceable screen and magnetic drain plug
  • Four-bolt main bearing girdle for maximum strength and durability
  • Cast 4340 one-piece crank with automotive-style plain bearings
  • Gerotor oil pump, integrally cast internal water pump
  • CFD optimized, precision cast water jackets
  • Closed loop 250kBd multi-point fully sequential fuel injection
  • Ride-by-wire w/ electronic throttle control (ETC)
  • Cast individual runner manifold with four, 40mm contoured bore downdraft throttle bodies
  • 12 bolt bellhousing (9.5 – bolt circle) for easy application adaptation
  • Spare bosses for alternate accessory drives and motor mounts
  • 180hp (134kW)@7800rpm, 126ft lbs (171nm)@5000rpm




Power: 180 bhp (135 kW)
Torque: 126 lb-ft (170 Nm)
Capacity: 1650cc
Layout: V4, liquid cooled




Motus 1650cc MV4R Crate Engine no longer available, please contact us if you require assistance with your engine choice.



Currency conversions are estimated and should be used for informational purposes only. Checkout/purchases still use the store’s currency (AUD).

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Product Type: Off-The-Shelf Part (Ready-made part.)


Additional information

SKU MV4R Category

Full Specifications

Power 180 bhp (135 kW)
Torque 126 lb-ft (170 Nm)
Capacity 1650cc
Layout V4, liquid cooled
Engine 1650cc (100ci), liquid-cooled, cast aluminum, pushrod, 90-degree Baby Block V4. Wet weight approx. 100lbs
Gearbox - Wet weight: approx. 75 lbs. - Side access superbike-style wet multi-plate hydraulically actuated clutch. - Competition grade investment cast steel clutch basket. - Serviceable cassette-style gear cluster. - Gear Ratios: 2.07 1.53 1.21 1.00 0.87 0.76

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