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Valve adjustment frequency

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How often is it recommended to adjust the valves? Are you guys streching it a little bit. I checked mine at about 100 miles. Was still dead on. I have close to 700 miles now and thinking it might be time.

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I check mine every 300 miles or so, when I have the tank off for other work. They are easy to check, so why not? I have not had to adjust mine yet. They are getting toward the low end of spec, but not out yet.

Eric in WA


’99 WR400, YZ timing, IMS Tank, YZ Seat, Acerbis Handguards, Scotts Steering Damper, Renthal Bars, Yamaha Full Skidplate , Devol Rad Guards , Dunlop 755F & 756R Tires

’99 Polaris 400 Scrambler –“Trail Couch and Lunchwagon”

’99 Honda Z50R

’97 Honda XR70R

Kubota L275DT and an assortment of farm equipment.

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