O.S Hyper 50 Engine repair kit €77 (+ postage of €6) This repair kit combo includes: Name: Cylinder Liner 50SX-H Part Number: X-OS25203100 Name: Piston 50SX-H Part Number: X-OS25203200 Name: Piston Ring 46SF/H/46FX-H/50SX-H Part Number: X-OS25303400 Quantity: 12345678910 Buy Now: O.S. 50 HYPER ENGINE bearing (7R6 & 6902Z) €14 (+ postage of €3) ENGINE bearing for O.S 50 Engine. Package includes: 1 x 6902ZZ bearing (15x28x7mm) 1 x 7R6 bearing Quantity: 12345678910 Buy Now: Cylinder Liner 50SX-H €42 (+ postage of €6) Part Number: X-OS25203100 Quantity: 12345678910 Buy Now: Piston 50SX-H €24 (+ postage of €6) Part Number: X-OS25203200 Quantity: 12345678910 Buy Now: Piston Ring 46SF/H/46FX-H/50SX-H €17 (+ postage of €2) Part Number: X-OS25303400 Buy Now: Connecting Rod 50SX-H,55AX €13.5 (+ postage of €2) Part Number: X-OS25205000 Quantity: 12345678910 Buy Now: Gasket Set 50SX-H €4 (+ postage of €2) Part Number: X-OS25214000 Quantity: 12345678910 Buy Now: O.S. 27381410 THROTTLE LEVER #60G/H €6 (+ postage of €2) This is the stock replacement throttle lever and hex screw for the O.S. #60G and #60H carburettor. One throttle lever. One Hex head screw (8MM) One lock washer Quantity: 12345678910 Buy Now: O.S. 25217000 PIN RETAINER 50SX-H €5 (+ postage of €2) These are the Piston Pin Retainers for the O.S. Max 50SX-H and the 50SX-HG Engines.These retainers snap into grooved holes on either side of the piston to hold the piston pin in place. Quantity: 12345678910 Buy Now: