- New
BOYESEN Rad Reed valve system for YAMAHA YZ 250 1997-1998
€238.90
Tax Included
The reed valve controls the air-fuel mixture going into a two-stroke engine.
BOYESEN offers this reed valve block for YAMAHA YZ 250 1997-1998. On a two-stroke engine, the reed valve sits between the carburettor and the engine. Its reeds open to let the air-fuel mixture in, then close to stop it coming back out.
Why fit this reed valve?
The benefits:
- Better throttle response and more torque.
- Reeds that are lighter and quicker to react than the originals.
- Stronger pick-up at all revs.
Why choose BOYESEN?
Boyesen invented the dual-stage reed: a soft petal for low and mid revs, a stiffer one for top end, for more torque everywhere.
When should you replace the reeds on your YAMAHA YZ 250?
Split or chipped petals, or petals that no longer seal on their seat: the engine spits back, lacks pick-up and uses more fuel.
Specifications and fitting tips
- 100% Aluminium body with aerodynamic internal surfacing
- 4-way aerodynamic directional dividers that distribute the angled charge evenly without flow loss
- Manufacturer part number: RAD-34D
Cross-Mania tip: Fit a new reed block gasket, tighten the screws in a cross pattern to the specified torque and check the carburation after fitting a performance unit.
Also needed with this part
Compatibility
Check the exact model and year of your bike in the list below before ordering.
RAD-34D
6 Items
Specific References
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The reed valve controls the air-fuel mixture going into a two-stroke engine.
BOYESEN Rad Reed valve system for YAMAHA YZ 250 1997-1998
€238.90
Tax Included