Did my last question go through? I can't tell for sure.

Just in case, I need the specs for my John Deere lawn tractor 345, 20 hp, for the intake and exhaust valves clearance for rocker arms and gap distance.

Thanks so much,
Helen Southworth

20 hp what, B&S, Kohler, Honda..

To ballengerb1:
It's a kawasaki engine.

You may get further if you search here and have your engine model and serial number ready. Kawasaki Engines & Power Products - Search by Engine Type (http://www.kawpowr.com/engines/type.aspx?shaft=0)