BRC Canada

This BRC 510cc conversion kit is a custom big-bore package for KTM TPI donor engines, intended to convert a compatible 2020-2023 KTM 250 or 300 EXC/XC-W engine into a 510 cc two-stroke engine. It is a conversion build rather than a direct replacement engine, and it reuses selected original parts from the donor engine during assembly. TPI versions are supplied with a flashed ECU and larger injectors, with maps set for the riding elevations and conditions provided at the time of order. Features Converts a compatible KTM TPI donor engine into a 510 cc two-stroke build Uses a pneumatic power valve system for smooth, linear power delivery Accepts the donor 5-speed or 6-speed transmission Compatible with both kick start and electric start Includes a decompression system to assist starting Integral counterbalance shaft helps reduce vibration TPI version uses a flashed ECU and larger injectors matched to the stated riding conditions Specifications Bore: 89 mm Stroke: 82 mm Displacement: 510 cc Output: 60+ hp Torque: 50+ ft-lb Compression ratio: 12.5:1 Squish clearance: 1.47-2.00 mm Primary ratio: 2.25 (72:32) Recommended fuel: 91 octane or higher Recommended additional premix for TPI versions: 150:1 in the fuel tank Recommended throttle-body butterfly drilling for TPI setup: 3 mm below 5,000 ft (1,500 m) elevation, 5 mm above 5,000 ft Kit Contents Pipe Silencer Exhaust manifold VForce 4R reed cage (V426) 0.3 mm base gasket 0.4 mm base gasket 0.5 mm base gasket Donor Engine Requirements The conversion uses the engine from the listed application to build the 510 cc engine Reused donor parts include the complete transmission, clutch assembly, kicker assembly, water pump, intake, ignition and covers where possible EFI/TPI is not supplied for a previously carburetted donor engine Donor engines from 2013 onward should use a stiffer clutch diaphragm spring to help prevent clutch slip with the 500 conversion The build is designed around readily available service parts including a Vertex Honda CR500 cast piston, Pro-X CR500 rod kit, KTM bearings and seals, and Cometic gaskets Earlier BRC500 guidance identifies the stock 36 mm or 38 mm carburettor as the preferred fit for carburetted builds Assembly and Supply Notes Due to the value of the kit, it is shipped on a single small pallet Due to the custom nature of the kit, no warranty is implied or given Although every effort is made to supply the correct kit, all parts should be checked before assembly begins Due to US and EU model differences, some modifications may be required to mounts, exhaust or other supporting parts A signed waiver confirming acceptance of these conditions is required before dispatch Vehicle Fitments KTM 250 EXC TPI, 2020-2023 KTM 300 EXC TPI, 2020-2023 KTM 250 XC-W TPI, 2020-2023 KTM 300 XC-W TPI, 2020-2023

Read more less

The BRC 510cc conversion kit is a donor-engine conversion package for 2017-2018 KTM 250 and 300 EXC/XC-W carburetted models, intended to rebuild the original engine into a 510cc configuration. It is designed for strip-down and assembly work using supplied conversion components together with selected parts from the existing engine, rather than as a complete ready-to-run engine. Important Information This is a conversion kit that uses the engine from the listed application and reuses parts from the original engine to build the 510cc engine. The build reuses the donor engine’s transmission, clutch assembly, kicker assembly, water pump, intake, ignition and covers where possible. Due to the value of the kit, it is shipped on a single small pallet. No warranty is implied or given due to the custom nature of the kit. Check that all supplied and reused parts are correct before beginning assembly. Due to US and EU model differences, modifications may be required to mounts, exhaust or other supporting parts. A signed waiver confirming acceptance of these conditions is required before dispatch. Features Pneumatic power valve system Linear, smooth power delivery Accepts the donor 5-speed or 6-speed transmission Compatible with kick start and electric start arrangements Decompression button fitted to assist starting Integral counterbalance shaft Intended to run with the stock donor carburettor on carburetted applications Kit Contents Pipe Silencer Moto Tassinari VForce 4R reed cage Specifications Bore: 89 mm Stroke: 82 mm Displacement: 510 cc Power output: 60+ hp Torque output: 50+ ft-lb Compression ratio: 12.5:1 Squish clearance: 1.47-2.00 mm Primary ratio: 2.25 (72:32) Compatible carburettor size: 36 mm or 38 mm Base gasket thickness options: 0.3 mm, 0.4 mm, 0.5 mm Premix ratio: 50:1 Premix ratio for snowbike and desert use: 32:1 Minimum fuel octane: 91 Carburetted model sensor port plug bolt size: M10 x 12 Cross-Reference OEM Part Numbers Moto Tassinari V426 Vertex 22447 ProX 03.1406 Wossner P2044 NGK BPR7EIX NGK BKR7EIX NGK BKR8EIX 07-09-017 07-09-019 Vehicle Fitments KTM 250 EXC 2017-2018, carburetted models KTM 300 EXC 2017-2018, carburetted models KTM 250 XC-W 2017-2018, carburetted models KTM 300 XC-W 2017-2018, carburetted models

Read more less

This BRC 510 cc TPI bolt-in conversion kit is intended to convert a compatible 2017-2019 KTM or Husqvarna 250/300 TPI donor engine into a 510 cc two-stroke engine. It is a custom conversion kit that uses the engine from the listed application and reuses parts from the original engine to complete the build, making it suitable for installations where the donor platform and retained original components form part of the finished engine assembly. Features Conversion kit for the listed TPI donor platforms Reuses donor components including the complete transmission, clutch assembly, kicker assembly, water pump, intake, ignition and covers where possible Triple-blade pneumatic power valve for smooth, linear power delivery and stronger bottom-end response Accepts donor 5-speed or 6-speed transmission Compatible with kick start and electric start Decompression button to assist starting Integral counterbalance shaft to reduce vibration Designed around readily available service parts Kit Contents Pipe Silencer Larger injectors for TPI applications Two Stroke Performance ECU flash with maps tailored to the supplied riding elevations and conditions Hose and clamps for MAP sensor relocation Specifications Bore: 89 mm Stroke: 82 mm Displacement: 510 cc Compression ratio: 12.5:1 Squish clearance: 1.47-2.00 mm Primary ratio: 2.25 (72:32) Claimed power output: 60+ hp Claimed torque output: 50+ ft lb Stated BRC500 carburettor reference: stock 36 mm or 38 mm Important Notes Shipped on a single small pallet due to the value of the kit Custom kit; no warranty is implied or given Check all supplied parts before beginning assembly Due to US-EU model differences, modifications to mounts, exhaust or other supporting parts may be required A signed waiver confirming acceptance of these conditions is required before dispatch TPI installation requires relocation of the MAP sensor to the left head-stay bracket, using the supplied hose and clamps to connect to the fitting at the back of the donor-supplied cylinder fitting The throttle-body butterfly plate must be drilled for idle and off-idle correction: 3 mm below 5,000 ft (1,500 m) elevation and 5 mm above 5,000 ft Additional clearance must be made at the frame gussets near the exhaust manifold fasteners For TPI versions, 150:1 premix in the fuel tank is recommended in addition to the KTM oil-injection system, using 91 octane or higher fuel Vehicle Fitments KTM 250 EXC TPI, 2017-2019 KTM 300 EXC TPI, 2017-2019 KTM 250 XC-W TPI, 2017-2019 KTM 300 XC-W TPI, 2017-2019 Husqvarna 250 TE TPI, 2017-2019 Husqvarna 300 TE TPI, 2017-2019

Read more less

This 510 cc conversion kit is intended for KTM 250 and 300 EXC, XC and XC-W models from 2007 to 2016. It is designed to convert a compatible donor engine into a 510 cc two-stroke configuration by reusing major original engine components, so it is not supplied as a complete engine. Features Converts a compatible KTM 250/300 donor engine to 510 cc Uses a pneumatic power-valve system for smooth, linear power delivery Accepts the donor 5-speed or 6-speed transmission Compatible with kick-start and electric start systems Fitted with a decompression button to assist starting Incorporates an integral counterbalance shaft to reduce vibration Designed to work with the donor carburettor arrangement Current MY07-16 kits use a three-blade power-valve cylinder Specifications Bore: 89 mm Stroke: 82 mm Displacement: 510 cc Compression ratio: 12.5:1 Squish clearance: 1.47-2.00 mm Primary ratio: 2.25 (72:32) Power output: over 60 hp Torque output: over 50 ft-lb Compatible carburettor sizes: 36 mm or 38 mm Piston clearance: 0.10 mm (0.004 in.) Minimum fuel requirement: 91-octane petrol Premix ratio: 50:1 Recommended premix ratio for snowbike and desert use: 32:1 Kit Contents Exhaust pipe Silencer Additional fasteners where these differ from the donor engine One bent coolant hose to replace the OEM radiator link hose Build Requirements Donor engine or donor engine parts are required Uses parts from the original engine to complete the 510 cc build Reuses the donor transmission, clutch assembly, kicker assembly, water pump, intake, ignition and covers where possible Reuses donor fasteners and dowels where applicable The donor engine’s centrifugal power-valve weights in the water-pump shaft are removed and replaced with the supplied spacer as part of the conversion Important Information Shipped on a single small pallet due to the value of the kit No warranty is implied or given due to the custom nature of the kit All parts should be checked before assembly begins US and EU model differences may require modifications to mounts, exhaust or other supporting parts A signed waiver confirming acceptance of these conditions is required before dispatch Vehicle Fitments KTM 250 EXC, 2007-2016 KTM 250 XC, 2007-2016 KTM 250 XC-W, 2007-2016 KTM 300 EXC, 2007-2016 KTM 300 XC, 2007-2016 KTM 300 XC-W, 2007-2016

Read more less

The BRC 510cc conversion kit is a big-bore engine conversion package for the listed Husqvarna TE 250 and TE 300 TPI models. It is intended to convert the original donor engine into a 510cc build by reusing parts from the standard engine, so it should be treated as a conversion kit rather than a complete stand-alone engine assembly. Features Converts the donor engine to a 510cc configuration Reuses components from the original engine during the build Pneumatic power valve system for smooth, linear power delivery Accepts the donor 5-speed or 6-speed transmission Compatible with both kick start and electric start Fitted with a decompression button to assist starting Supplied with a pipe and silencer Integral counterbalance shaft to reduce vibration Intended to run with the standard donor carburettor Specifications Bore: 89 mm Stroke: 82 mm Displacement: 510 cc Output: 60+ hp Torque: 50+ ft-lb Compression ratio: 12.5:1 Squish clearance: 1.47-2.00 mm Primary ratio: 2.25 (72:32) Compatible donor carburettor size: 36 mm or 38 mm Important Information Due to the value of the kit, it is shipped on a single small pallet No warranty is implied or given due to the custom nature of the kit All parts should be checked for correctness before assembly begins Differences between US and EU models may require modifications to mounts, exhaust or other supporting parts A signed waiver confirming acceptance of these conditions is required before dispatch Vehicle Fitments Husqvarna TE 250 TPI, 2020-2023 Husqvarna TE 300 TPI, 2020-2023

Read more less

This BRC carburettor conversion kit is intended to convert a 2017-2018 Husqvarna TE 250 or TE 300 donor engine to a 510 cc two-stroke configuration for carburetted applications. It is not a complete engine; it is a conversion kit that must be assembled using parts from the listed donor engine, reusing assemblies such as the transmission, clutch assembly, kickstarter assembly, water pump, intake, ignition and covers where possible. The kit is supplied for engine conversion work rather than as a ready-to-run engine assembly. Features Converts the listed donor engine to a 510 cc configuration Pneumatic power-valve system for smooth, linear power delivery Compatible with both kick start and electric start operation Decompression button provided to assist starting Integral counterbalance shaft to reduce vibration Designed to use the donor bike's existing carburettor Retains the OEM upper cylinder-head hose and OEM right-side water-pump hose, with the radiator link hose replaced by a supplied bent hose Designed around readily available service parts Kit Contents Pipe and silencer Machined crankcases and covers Machined cylinder and head Exhaust manifold Balance shaft assembly Pneumatic power-valve components Decompression valve VForce 4R reed cage Additional fasteners required for the conversion, while most donor-engine fasteners and dowels are reused Specifications Bore: 89 mm Stroke: 82 mm Displacement: 510 cc Compression ratio: 12.5:1 Squish: 1.47-2.00 mm Primary ratio: 2.25 (72:32) Quoted output: over 60 hp and over 50 ft-lb torque Transmission compatibility: donor 5-speed or 6-speed Carburettor compatibility: OEM 36 mm or 38 mm carburettor Service-part format: Honda CR500-style piston and connecting-rod package, KTM bearings and seals, Cometic-made gaskets Fuel requirement for carburetted versions: minimum 91-octane fuel Premix ratio for carburetted versions: 50:1, with 32:1 recommended for desert or snowbike use Important Information Shipped on a single small pallet due to the value of the kit No warranty is implied or given due to the custom nature of the kit Check all parts are correct before beginning assembly US and EU model differences may require modifications to mounts, exhaust or other supporting parts A waiver confirming acceptance of these conditions is required before dispatch Donor engines from 2013 onward require a stiffer clutch diaphragm spring to prevent clutch slip with this conversion Vehicle Fitments Husqvarna TE 250, 2017-2018, carburetted models Husqvarna TE 300, 2017-2018, carburetted models

Read more less