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YX140 Engine - TB Edition - 56mm

Here at Parker Racing HQ we have made it posible for customers to now build their own YX140 engine using TB Parts components to their own specification. We build all these in house here in the UK.


You the customer can select a wide range of TB Parts to add to your engine and a total value price will be calculated in the checkout.


SPEC - TB Edition - 56mm:

  • Here we have a YX140 engine with a TB Performance Camshaft & a TB 56mm High Compression Piston Kit fitted.
  • Fitted with standard lightweight 520g flywheel kit- 3 wires (No lighting circuit, electrics sold seperatly) 


Optional Extras:

  • Manifold - Choice of stock manifold or TB manifolds to port match the TB V2 head.
  • Clutch Springs - Choice to upgrade to prevent clutch slip if power is increased.
  • Head Gasket - Choice between a stock paper thick gasket or a thin steel high compression racing gasket.


Please Note:

  • These engines are built to your own specification, therefore they will be no returns or warrentee availible on this product. However we will gladly assist where possible if an issue was to occur.
  • Parts that are removed to build your engine will remain property of Parker Racing & will not be shipped to you.


Item Includes (refer to item picture):

  • 1x YX140 Engine Complete to specification shown.
  • 1x Standard Manifold and Fittings
  • 1x Kickstart Lever
  • 1x Gear Lever

YX140 Engine - TB Edition 56mm

Out of Stock
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