Boyesen Rad valve YZ250 1988–1994 row-34A-bring life to your 2-stroke
Boyesen Rad-34A is like giving new oxygen to your old YZ250. With its patented two-step-reed technology and smart redirection of the air flow, this line valve offers better response, smoother walking and more power throughout the register - Without having to make any modifications.
Made in a single piece of aluminum, it simply bolts firmly and is built to withstand tough driving - whether you drive classic motocross, enduro or just love the feeling of a screaming two -stroke.
Advantages:
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Faster gas response - is noticed directly on the track
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More turn in low turns and extra clips on top
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Easy Mounting - No Processing Required
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Holds a long time - durable full -time aluminum body
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Specially designed reed cage for Boyesen's proven two -step membranes
Compatible models:
✅ Yamaha yz 250
• 1988–1994 (Europe & America)
✅ Yamaha yz 250 wr
• 1989-1990 (all markets)
Boyesen Rad-34a - A well -tested upgrade for older YZ250 that still has a lot to give. Cover the engine to life again with new power and precision!
It started like so many other fantastic ideas: with a passion and a garage. Late in 2020, Greg Moto AB grew up, initially as a hobby business. But it wasn't long before the dream switched up and we took the step out on the road for real.
Today we have a heart that bolts in Staffanstorp, more specifically on Maskinvägen 1. There you will find our Physical store of over 1000 m², Distributed on two levels - a paradise for all engine lovers! Here is crowded helmets, clothes, boots and shelter in all sizes, with extra pride in our wide ladies' range (yes, we dare actually say that it is Sweden's largest).
But it doesn't stay there ....
We have built up a web shop with over 100,000 products Where you can easily find the right spare parts and accessories - whether you drive high, moped or something in between. With our smart search function you can quickly pick up what suits your model. Smooth, huh?
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We believe that a good buying experience is about more than just clicking home the right parts. Therefore, we are constantly working to make our store (both online and physically) more inspiring, more personal and above all more fun to visit. We listen to our customers, test new ideas and improve every detail - all to make you feel as safe as tagged when you shop with us.
So whether you are a beginner on two wheels, veteran with leather vest or just the desire to upgrade the helmet - Welcome to Greg Moto. Here people meet with gasoline in the blood and a smile behind the visor.
