Any 1989 YZ250 owners out there who could do me favor?

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5/4/2021 10:46 PM

I’m starting my ‘89 YZ490 build(again), and one idea I had was to fit an ‘89 Yz250 swingarm to it so I could run a rear disc. Plus it’s the later stiffer boxier design with modern chain adjustment hardware. The ‘89 YZ250 is the only Box section swingarm with the linkage pivot running through the middle of the arm like the last Gen 490. Plus the 490 shares the same Arm as the ‘87 250, and the 87 250 shares linkage parts with the 89 250, so it just might work Anyone on here have an ‘89 YZ250 and be willing to measure the spec from the center of the swingarm pivot to the center of the linkage pivot?

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5/5/2021 6:44 PM

Hi mate , my engine is out at the moment so i should be ok to get in there and measure for u tonight , give me 24hrs

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5/6/2021 5:35 AM

chuckie108 wrote:

I’m starting my ‘89 YZ490 build(again), and one idea I had was to fit an ‘89 Yz250 swingarm to it so I could run a rear disc. ...more

Hi mate , didn’t have great access to the bike tonight but looks like 172mm centres . Hope it helps

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5/6/2021 8:32 AM

Excellent!! Very much appreciated partner! I'll post the results here later. (thumbs up)

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