Price List Engine Services

CRF, KXF, RMZ, YZF

4-STROKE Complete rebuild

Tear down entire engine, inspect and replace parts as needed. This includes the transmission, clutch, crankshaft, oil pump, water pump, engine bearings, cam, chain, cylinder, head, valves and seats. On reassembly we deglazed the cylinder and install a new piston. De-carbon and rebuild the head with new valves, cut seats, replace guides and seals as needed. The crankshaft is rebuilt or replace as needed.


Complete Engine Rebuild (labor & normal wear parts)

150cc CRF $998

250cc CR KX RM $1395

250cc YZ / WR $1495

450cc CR KX RM $1395

450cc YZ / WR $1595

KTM 250 $1695

KTM 400 and up $1775

Pit Bike engines $795


Top End Rebuild Only (labor & normal wear parts)

150cc CR $695

250cc CR KX RM $795

250cc YZ / WR $995

450cc CR KX RM $849

450cc YZ / WR $995

KTM 250 $1249

KTM 400 and up $1395

Pit Bike Engines $349


The prices above are average worse case scenario rebuild cost with most of the parts mentioned above and labor. This is with the engine out of the frame. A complete estimate and suggestions are made once the engine is torn down. Performance parts, porting and other engine modifications can be added and is usually a lot less expensive when done during the rebuild.

CR, KX, KTM, RM, YZ

2-STROKE Complete Rebuild

Tear down entire engine, inspect and replace parts as needed. This includes the transmission, clutch, crankshaft, engine bearings, power valve water pump and cylinder. On reassembly we deglazed the cylinder and install a new piston. The crankshaft is rebuilt or replace with new main bearings and seals.


Complete Engine Rebuild (labor & normal wear parts)

65cc $549.00

85 – 100cc $595.00

125cc $689.00

250cc $769.00


Top End Rebuild Only (labor & normal wear parts)

65cc $269.00

85 – 100cc $299.00

125cc $319.00

250cc $359.00


The prices above are average rebuild costs. Includes normal wear parts and labor. Price is with engine out of the frame. A compete estimate and suggestions are made once the engine is torn down. Performance parts, porting and other engine modifications can be added and is usually less expensive when done during the rebuild. Parts figured in the complete rebuild are a crankshaft, main bearings and seals, piston kit, gaskets and spark plug. Top end rebuild parts are a piston kit and gaskets.


A complete estimate will be made upon engine dis-assembly. Parts other than normal wear items not mentioned in the prices will be replaced at additional cost upon your approval. Such as damaged cylinders that need re-plating, case damage, head damage, gears, forks and clutch parts. Parts that are not needed in the above estimates will reduce the price. These prices are calculated with the engine out of the frame. If you bring compete motorcycle the price about $150 more. In frame includes removing and reinstalling the engine, oil and coolant change, air filter service, general servicing as it relates to the engine, greasing the swing arm pivot and test drive.

Warranty: Due to the nature of and use of race engines most shops and re-builders do not offer a warranty of any kind. Racer’s E.R. offers a limited warranty that covers faulty workmanship for thirty days. Manufacturers can only warranty their part if it breaks. Engine damage and or seizure due to jetting, dirt or lack of oil or coolant are never covered. You must check you fluids before riding. Thoroughly break in and the test your engine within the thirty day period. If you have any problems, unexpected noises or concerns please call immediately.

Questions? Call Doctor Kirk (435) 668-7776