| Stage 1 - Carburettor model: Dynojetting | ||
| Dynojet kit | £90.00 | |
| K & N Filter | £45.00 | |
| Typical labour price to install and set up | £100.00 | |
| Total = | £235.00 | |
| Stage 2 - Gas Flowed Head, Cams, etc. | ||
| Gas Flowed and Skimmed Head including 3 angle cut seats etc. | £320.00 | |
| Exchange Kent Cams | £160.00 | |
| Adjustable Cam Sprockets | £40.00 | |
| Gaskets | £55.00 | |
| Heavy Duty Clutch Diaphragms | £15.00 | |
| Valve Shims | £80.00 | |
| Engine work labour to strip & rebuild, dial in cams, set valve clearances, fit clutch, etc. | £630.00 | |
| Total = | £1,300.00 | |
| Stage 3- Gas Flowed Head, Cams, Crank Lightening and Balancing, etc. | ||
| Gas Flowed and Skimmed Head including 3 angle cut seats etc. | £320.00 | |
| Crank Lightening and Balancing | £300.00 | |
| Exchange Kent Cams | £160.00 | |
| Adjustable Cam Sprockets | £40.00 | |
| Gaskets | £70.00 | |
| Shims | £70.00 | |
| Heavy Duty Clutch Springs | £10.00 | |
| New Conrod Bolts | £90.00 | |
| New Shell Bearings | £140.00 | |
| Engine work labour to strip & rebuild, fully blueprint bottom end, degree in cams, | £800.00 | |
| set valve clearances, fit clutch, etc. | Total = | £2,000.00 |
| Optional Extras | ||
| Yamaha Billet Camshafts per pair | £520 | |
| Yamaha Race ECU | £500 | |
| Yamaha Race Loom | £200 | |
| Yamaha Breather kit | £80 | |
| Yamaha Race Bellmouths | £200 | |
| Sigma slipper clutch | £460 | |
| STM slipper clutch | £600 | |