bigbirdh2's Garage

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    My 1985 YZ490, now a 510cc was red and white new. I got this one done last year. motor balanced. Race Tech Gold valves, frame cut/ pulled back 0.03degs more than the 85 YZ250. rear shock drop relocated frame mount to 15mm. 226lbs Dry, 63.8hp rear wheel dyno. This bike has been reworked 4 times in it's life time and people at the track love my new color change, and so do I. : D
    bigbirdh2
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    bigbirdh2