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Warranty and Disclaimer

Suzuki RM80/85/100 Big Bore Kits/Big Bore Stroker Kits




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*Please be sure to clean out your crankcases before installing your big bore top end. There may be foreign material still inside from a prior top end failure, which will quickly ruin your new big bore kit. Also check your crankshaft to make sure your lower end bearing is not ready to fail. If you need us to check it for you, then send your entire engine to us when purchasing our big bore kit service.
90cc Big Bore Kit Service  Send us your cylinder, power valve, and head. Includes: Bore Cylinder and Re-Plate, Head Modification for bigger bore, Big Bore Porting, any Power Valve Modification needed, 49.5mm Piston Kit, Top End Gasket Kit, and Return Shipping.
Price $495.00   For 1991-01 RM80 

92cc Big Bore Kit Service  Send us your cylinder, power valve, and head. Includes: Bore Cylinder and Re-Plate, Head Modification for bigger bore, Big Bore Porting, any Power Valve Modification needed, 50mm Piston Kit, Top End Gasket Kit, and Return Shipping.
Price $495.00   For 2002-11 RM85 

100cc Big Bore Kit Service  Send us your cylinder, power valve, and head. Includes: Bore Cylinder and Re-Plate, Head Modification for bigger bore, Big Bore Porting, any Power Valve Modification needed, 52mm Piston Kit, Top End Gasket Kit, and Return Shipping.
*Crankcases are needed with your cylinder and head for this kit. Clearance mod needs to be made to crankcase for bigger bore. You can send complete engine if your not comfortable or not able to disassemble bottom end. We can also check your crankshaft/connecting rod while it is here.
Price $505.00   For 2002-11 RM85 

107cc Big Bore Kit Service  Send us your cylinder, power valve, and head. Includes: Bore Cylinder and Re-Plate, Head Modification for bigger bore, Big Bore Porting, any Power Valve Modification needed, 54.5mm Piston Kit, Top End Gasket Kit, and Return Shipping.
Price $495.00   For 2003 RM100 

112cc Big Bore-Stroker Kit Service  (54.5mm Bore X 47.8mm Stroke). Send your complete engine with kickstarter and shifter to us. Includes:  Calculate Deck Height, Port Heights, Compression Ratio, Bore Cylinder, and Re-Plate, Head Modification for Big Bore/Longer Stroke, any Power Valve Modification needed, Big Bore Porting, 54.5mm Piston Kit, 2mm Hot Rods Stroker Crank, and Rebuild, Complete Gasket Kit, Engine Seals, Crank Bearings, Crankcase Modification for Longer Stroke, Complete Engine Rebuild Labor, Return Shipping.
Price $1395.00   For 2003 RM100 

Notes: Prices shown are to install Big Bore/stroker Kit in good condition engine. Should your engine need rebuild parts there will be additional
charges. We will call for approval before we install any parts that will have additional charges. (example: Transmission Parts, Clutch Parts,
Bearings other than Main Bearings)
  90cc Big Bore Parts Kit Only  Pro X 49.5mm Piston Kit #01.3111.200, Top End Gasket Kit, and Top End Bearing.
Price $110.00   For 1991-01 RM80 

90cc Big Bore Parts Kit Only  Wiseco 49.5mm Piston Kit #645M04950, Top End Gasket Kit, and Top End Bearing.
Price $145.00   For 1991-01 RM80
 

92cc Big Bore Parts Kit Only  Wiseco 50mm Piston Kit #806M04950, Top End Gasket Kit, and Top End Bearing.
Price $130.00   For 2002-11 RM85
 

100cc Big Bore Parts Kit Only  Vertex 52mm Piston Kit #23205400, Top End Gasket Kit, and Top End Bearing.
Price $158.00   For 2002-11 RM85 

100cc Big Bore Parts Kit Only  Wiseco 52mm Piston Kit #806M05200, Top End Gasket Kit, and Top End Bearing.
Price $185.00   For 2002-11 RM85 

107cc Big Bore Parts Kit Only  Wiseco 54.5mm Piston Kit #651M05450, Top End Gasket Kit, and Top End Bearing.
Price $170.00   For 2003 RM100
 

112cc Big Bore-Stroker Parts Kit Only  Wiseco 54.5mm Piston Kit #651M05450, Hot Rods 2mm Stroker Crankshaft, Top End Gasket Kit, and Top End Bearing.
Price $355.00   For 2003 RM100