Recent: Throttle issue?

Mend Yardman Lawn Mowers

Mend Garden Tools, Lawn Mowers
Find out how to mend it for free.

Ask Question
Mend Garden Tools, Lawn Mowers
Free repair help for Yardman lawn mowers

Mend > Lawn Mowers

Mend Garden Tools, Lawn Mowers

Spark Plug gap for Yardman 6.1/2 hp mower?

Can anyone tell me at what measurement the gap should be set on the spark plug for a Yardman 6 1/2 hp 21" cut self-propeled mower?

Terry Greer
April 2007
If its a champion J19LM its .30 Or if its a RN11yc or RN12yc. i make the gap .25

ASE mechanic
April 2007

Automatic Answer

While you wait for answers, we may have found some information which could help you.

Click here for Spark Plug Mower

Mend Garden Tools, Lawn Mowers
Free repair help for Yardman lawn mowers

How to mend ...

Find out how to mend just about anything howtomendit.com for free repair help, information and advice.
Mend Garden Tools, Lawn Mowers
Free repair help for Yardman lawn mowers