S3 MONTESA-HRC 4RT Big Bore Kit.

S3 MONTESA-HRC 4RT Big Bore Kit.

£541.99 inc. VAT, where applicable



Better value and better performance than the other big bore kits available….

KIT CYLINDER-PISTON BIG-BORE FOR MONTESA-HRC 4RT. Available in 2 sizes 280cc (d.80mm) and 300cc (d.82mm). High quality product. More capacity gives the engine more torque on bottom and more power on revs. The engine is very smooth on low RPM, and very powerful on high RPM.

Additional information

Weight 2.000 kg
Dimensions 17 × 17 × 22 mm
Engine Capacity (cc)

280, 300


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