Our Services

With the refresh service the motor is completely dissembled, deep cleaned, and inspected. All parts are measured and replaced if out of factory specifications. On reassembly, new main bearings, piston, and all engine seals and gaskets are replaced.

Cost: £150 plus parts (motor removed)

With the restore service the motor is completely dissembled, deep cleaned, all parts are inspected and measured, and any worn parts are replaced, including the rod, piston, bearings and seals. The motor is then reassembled with new gaskets.

Cost: £300plus parts (engine removed)

Send us your 1988 cylinder and head, and we’ll port your cylinder and skim your head to release the potential of your K5.

This can be combined with either of the repairs, giving you ported cylinder, power valve mod bolt and squish set.

Cost: £75

Previously only available in the US, this modification is now being offered to you at KX500 Tech. Send us your clutch cover and we will strip it, modify it, and rebuild it with new seals. Simply bolt-on the outer cover of your choice or checkout our TSR products on the products page.

Cost: £210

A common K5 fault is loose main bearings. Here at KX500 Tech we can offer oversize bearing installation. Send us your crank cases and we’ll modify them and install new bearings and seals.

Cost: £250 (plus parts)