High Performance Crate Engines

$5,700.00$7,450.00

Bonneville Performance offers high-performance crate engines (270 degree or 360 degree versions) for your street or racing motorcycle project. Our crate engines can be ordered here in five displacement sizes (865cc, 904cc, 995cc, 1100cc, and 1200cc) as crank-up builds. See the Product Description below for complete specifications. Our crate engines will be shipped via ground or air freight depending upon your location, but shipping is not included in our pricing. Use the Contact Form to email us about international shipping costs and options.

Bonneville Performance Crate Engines in 5 displacement sizes:

865cc - stock displacement @ 12.5:1

  • Rebuilt 2005 or later Triumph Parallel Twin 360 or 270-degree firing order
  • 90 mm Bore x 68 mm Stroke 12.5:1 compression
  • Counterbalance system removed – dynamically balanced crankshaft

904cc @ 12.5:1

  • Rebuilt 2005 or later Triumph Parallel Twin 360 or 270-degree firing order 
  • 92mm Bore x 68 mm Stroke 12.5:1 compression
  • Counterbalance system removed – dynamically balanced crankshaft

995cc @ 13.5:1

  • Rebuilt 2005 or later Triumph Parallel Twin 360 or 270-degree firing order 
  • 96.5 mm Bore x 68 mm Stroke 10.5:1 or 13.5:1 compression
  • Counterbalance system removed – dynamically balanced crankshaft
  • 101 rear wheel HP and 87 ft. lbs.  @ 4700 RPM

1100cc @ 11:1

  • Rebuilt 2005 or later Triumph Parallel Twin 360 or 270-degree firing order 
  • 101 mm Bore x 68 mm Stroke 11:1 compression
  • Counterbalance system removed – dynamically balanced crankshaft
  • 90 rear wheel HP and 76 ft. lbs.  @ 4700 RPM

1100cc @13.5:1

  • Rebuilt 2005 or later Triumph Parallel Twin 360 or 270-degree firing order 
  • 101 mm Bore x 68 mm Stroke 13.5:1 compression
  • Counterbalance system removed – dynamically balanced crankshaft

1200cc @ 10.5:1

  • Type: Rebuilt 2005 or later Triumph Parallel Twin 360 or 270-degree firing order 
  • 101 mm Bore x 74.3 mm Stroke 10.5:1 compression
  • Counterbalance system removed – dynamically balanced crankshaft
  • 104 rear wheel HP 91 ft. lbs. torque @ 4700 RPM

Crate Engine Specifications

  • Crankshaft: New Triumph 360 or 270 degree dynamically balanced and micro-polished (See NOTE below)
  • Oil Pumps: (2) New Triumph
  • Rods: New CARRILLO to Bonneville Performance Specifications
  • Pistons, Rings, Wrist Pins & Circlips: New Bonneville Performance/WISECO 10.5:1, 12.5 or 13.5 Compression kits at 90 mm, 96.5 mm, or 101 mm Kit – http://www.powercommander.com/powercommander/.
  • Cylinder: New Bonneville Performance Billet Cylinders CNC machined for 96.5 mm or 101 mm engine kits – 90 mm and 92 mm kits use Triumph factory cylinders
  • Cylinder Sleeves: New Bonneville Performance 4 mm 6061 Aluminum Nikasil-Plated sleeves are specifically made for this engine kit
  • Head: Triumph ported to Bonneville Performance specifications
  • Intake Manifolds: Bonneville Performance billet and port matched
  • Valve Train: New 1 mm over intake valves, new valve stem seals, BP/FERREA custom valves, spring kits, retainers and keepers. Exhaust valves are Triumph factory.
  • Camshafts: New BP/Triumph 360 or 270 degree are Bonneville Performance cams
  • Clutch: New BARNETT multi-plate with Performance Green Spring set
  • Main and Rod Bearings, Engine Seals and Gaskets: New
  • Timing: The engine is timed and the valves are set to Triumph clearance recommendations.   
  • Cases and Covers: The engine cases and covers are all stripped recoated and/or show polished and thoroughly cleaned prior to assembly.
  • Components: We use the very best components tried and tested on our GNC Flat Track Series Supertracker Race Bikes.
  • Engineering: All of our engine kits are engineered in partnership with WISECO. Our COMETIC, MLS and Triumph paper gasket sets are all made specifically for this engine and are of the finest quality.
  • Testing: At your request, we will heat cycle the engine to seal the rings and test ride the motorcycle to insure that all systems and components are 100%.

Notes

  • All EFI engines must be remapped which requires a Dynojet Power Commander V piggyback for the Triumph ECU.
  • These engines are NOT your mother's sewing machine! Some increased vibration is normal at lower RPM's on high-performance, crankshaft-balanced engines. If your goal is the smoothest ride possible, this option is NOT for you!

Additional information

Specify Size

865cc, 904cc, 995cc, 1100cc, 1200cc

Compression

10.5:1, 11:1, 12.5:1, 13.5:1

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Bonneville Performance Crate Engines in 5 displacement sizes:

865cc – stock displacement

  • Rebuilt 2005 or later Triumph Parallel Twin 360 or 270-degree firing order
  • 90 mm Bore x 68 mm Stroke 12.5:1 compression
  • Counterbalance system removed – dynamically balanced crankshaft

904cc

  • Rebuilt 2005 or later Triumph Parallel Twin 360 or 270-degree firing order 
  • 92mm Bore x 68 mm Stroke 10.5:1 compression
  • Counterbalance system removed – dynamically balanced crankshaft

995cc

  • Rebuilt 2005 or later Triumph Parallel Twin 360 or 270-degree firing order 
  • 96.5 mm Bore x 68 mm Stroke 10.5:1 or 13.5:1 compression
  • Counterbalance system removed – dynamically balanced crankshaft
  • 101 rear wheel HP and 87 ft. lbs.  @ 4700 RPM

1100cc

  • Rebuilt 2005 or later Triumph Parallel Twin 360 or 270-degree firing order 
  • 101 mm Bore x 68 mm Stroke 10.5:1 compression
  • Counterbalance system removed – dynamically balanced crankshaft
  • 90 rear wheel HP and 76 ft. lbs.  @ 4700 RPM

1200cc

  • Type: Rebuilt 2005 or later Triumph Parallel Twin 360 or 270-degree firing order 
  • 101 mm Bore x 74.3 mm Stroke 10.5:1 compression
  • Counterbalance system removed – dynamically balanced crankshaft
  • 104 rear wheel HP 91 ft. lbs. torque @ 4700 RPM

Crate Engine Specifications

  • Crankshaft: New Triumph 360 or 270 degree dynamically balanced and micro-polished (See NOTE below)
  • Oil Pumps: (2) New Triumph
  • Rods: New CARRILLO to Bonneville Performance Specifications
  • Pistons, Rings, Wrist Pins & Circlips: New Bonneville Performance/WISECO 10.5:1, 12.5 or 13.5 Compression kits at 90 mm, 96.5 mm, or 101 mm Kit – http://www.powercommander.com/powercommander/.
  • Cylinder: New Bonneville Performance Billet Cylinders CNC machined for 96.5 mm or 101 mm engine kits – 90 mm and 92 mm kits use Triumph factory cylinders
  • Cylinder Sleeves: New Bonneville Performance 4 mm 6061 Aluminum Nikasil-Plated sleeves are specifically made for this engine kit
  • Head: Triumph ported to Bonneville Performance specifications
  • Intake Manifolds: Bonneville Performance billet and port matched
  • Valve Train: New 1 mm over intake valves, new valve stem seals, BP/FERREA custom valves, spring kits, retainers, and keepers. Exhaust valves are Triumph factory.
  • Camshafts: New BP/Triumph 360 or 270 degree are Bonneville Performance cams
  • Clutch: New BARNETT multi-plate with Performance Green Spring set
  • Main and Rod Bearings, Engine Seals and Gaskets: New
  • Timing: The engine is timed and the valves are set to Triumph clearance recommendations.   
  • Cases and Covers: The engine cases and covers are all stripped recoated and/or show polished and thoroughly cleaned prior to assembly.
  • Components: We use the very best components tried and tested on our GNC Flat Track Series Supertracker Race Bikes.
  • Engineering: All of our engine kits are engineered in partnership with WISECO. Our COMETIC, MLS and Triumph paper gasket sets are all made specifically for this engine and are of the finest quality.
  • Testing: At your request, we will heat cycle the engine to seal the rings and test ride the motorcycle to ensure that all systems and components are 100%.

Notes

  • All EFI engines must be remapped which requires a Dynojet Power Commander V piggyback for the Triumph ECU.
  • NOTE: Our carbureted crate engines include a Triumph Twin Power igniter, specifically designed and programmed for each engine to achieve maximum performance
  • These engines are NOT your mother’s sewing machine! Some increased vibration is normal ar lower RPM’s on high-performance, crankshaft-balanced engines. If your goal is the smoothest ride possible, this option is NOT for you!