86-85 CR250R BOYESEN RAD VALVE TRX250R, BLOCK RAD04A, RAD-04A, RAD-04A

Boyesen Rad Valve - RAD-04A / RAD04A

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Now delivered with carbon fiber reeds for even greater performance gains

Maintains flow velocity through the valve and redirects intake charge for more even distribution to the intake ports

Sharper, quicker throttle response

Added torque improves performance on hills, through corners and over technical jumps

Increases horsepower in low-, middle- and especially the top-end ranges

One-piece aluminum casting, no trimming or plastic inserts required

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Honda

CR250R 1984-1985,

ATC250R 1986,

TRX250R FourTrax 1986-1989,

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Honda

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1986 Honda ATC250R

1985 Honda CR250R

1984 Honda CR250R

1989 Honda TRX250R FourTrax

1988 Honda TRX250R FourTrax

1987 Honda TRX250R FourTrax

1986 Honda TRX250R FourTrax

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Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.