RG500/RG400 Engine Tuning
RG500 Full Engine Tune
Tuning includes transfer and exhaust port work, changing port timings and port areas, Head work, altering compression ratio and squish, and modifying the disc valve to change intake timing.
Price - £580.00
Above price for Cylinders, Heads and Valves supplied by customer.
£350.00 labour for engine only
£500.00 labour for complete bike
Engine Gas Flow
Give your engine the edge! Full gas flow of crankcases and barrels.
NB. This service will only be undertaken on an engine which is being tuned.
Price - £425.00
Custom Cylinder Heads
RG500 heads with 'O' ring groove and removable combustion chamber. No longer a need for expensive head gaskets.
This is a service to remachine both your supplied cylinder heads.
Available for
Standard 56.00mm - 57.00mm
Big Bore 59.00mm - 60.00mm
Viton 'O' rings supplied.
Custom dome inserts can be manufactured to specific requirements.
Price - £495
Mikuni TMX35mm Carb Conversion
For the ultimate in throttle response and power. This conversion utilises new billet disc valve covers, set of 4 Mikuni carbs, crankcase inlet ports modified to match carb inlet area, carb spigot adapters.
Price - £1790.00
Clutch Modifications
Straight Cut Primary Gears - £372.00
Straight-Cut Gears Fitted to your Basket - £422.00
Straight-Cut Gears Fitted to your Basket including Inner and outer oil feed basket mod - £462.00
RG400 head modification for 500cc cylinders
Supply your heads and we will machine to suit 500cc or big bore cylinders
Price - £240.00
Carb Boring
Off-Set carburettor boring to 30.5mm diameter. Oil valve removed modified and replaced. Increase engine performance throughout the rev range.
Price - £250.00
570cc Big Bore Conversion
This conversion gives a substantial power increase throughout the rev range. Includes Piston & Ring kit, machining cylinder heads( resetting compression ratio and squish) boring and restoring port timings
Price - £695.00
Crankshaft Strip and rebuild service
Complete strip and rebuild of the two crankshafts New Main bearings, Big ends, Crank seals and Up-rated con-rods
NB. There will be a surcharge per crank web, if crank webs are found to be out of tolerance.
Price - £745.00
Gearbox rebuilds
All Gearbox work undertaken, complete strip and rebuilds, new bearings etc
Price - £POA
Full Engine Recondition
Engine Stripped, Cleaned, Painted and reassembled using new Stainless Steel fasteners throughout.
Price - £POA
460cc Big Bore Conversion
This conversion gives a substantial power increase throughout the rev range. Includes Piston & Ring kit, machining cylinder heads( resetting compression ratio and squish) boring and restoring port timings
Price - £650.00
RG400 Crankcase modification to suit 500cc cylinders
This is to enlarge the cylinder openings in the upper crankcase to enable 500cc cylinders to be fitted
