Airhead Reference › The book › Valve Gear › Stem/guide clearance In & Ex
Valve Gear · Guides & Seats

Stem/guide clearance In & Ex

▲ Safety-critical — over-torque-intolerant. Do not exceed the figure.
Metric
0.050–0.080 mm
Inch
.0020–.0032"
Wear limit
0.15 mm max @ top of guide
Applies · most incl. R100
Worn guides → oil burn, unstable valves, seat wear.

This is the book's general row. In the book, pick your model and year and this figure resolves to your machine, with the one-page torque sheet, the job pages and the printable booklet.

Open in the book
Report an error in this figure

If this figure disagrees with your manual, say which manual and which page. Every report is checked against the source before anything in the book changes.

Also in Guides & Seats