Intake Valve 1.372" Exhaust Value 1.125". Now adding BOTH Crank bearings. Both Valve springs, (quantities are limited). Kohler engine rebuilding manual is or readily available on any internet search for Kohler or on YouTube, rebuilding K301. 12hp K301 or M12 suffix does not matter.These measurements are not for machine shop reference. The machine shop must have the new piston before they can bore the cylinder piston choices. Choose any piston Standard cylinder bore........ At no extra charge +. At no extra charge Rod choices. Choose any rod size Standard rod........................ 1.500 at no extra charge. 010.....................................1.490 at no extra charge. 1.480 at no extra charge.
Anybody can Rebuild a Kohler engine themselves. I will also give the instructions on how to properly install your connecting rod.
(Oil hole goes towards the cam) The most common reason for premature engine failure on your rebuilt engine is an improper rod installation. Points plunger or also called points pin is aprox.
The item "Super MASTER REBUILD KIT FOR 12HP Kohler, K301 Valves, bearings, springs, tune up" is in sale since Monday, February 13, 2017. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers\Lawn Mower Parts & Accessories". The seller is "bakt4kids" and is located in Wauseon, Ohio. This item can be shipped worldwide.