Valve adjustment frequency

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.

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

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’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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