z400 sparkplug gap??

Reply Subscribe

Thread Tools

Search this Thread

Sep 7, 2004 | 09:39 PM

fourjs

Thread Starter

Trailblazer

Joined: Mar 2001

Posts: 99

Likes: 0

z400 sparkplug gap??

what is the gap size for the plug, just bought my son a 2003 model with not even a scratch on it, i have ordered the manual, but would like to have a spare plug just in case, thanks.....

Sep 7, 2004 | 09:53 PM

bulldogz400

Pro Rider

Joined: Jan 2003

Posts: 749

Likes: 0

z400 sparkplug gap??

I run mine at .035, but you are safe at .032 or so. The gap recommended is .029 I think, but anywhere in this range would be perfectly fine.

EDIT: On gas that is, alky is much different.

Sep 7, 2004 | 10:30 PM

chazekxt

Pro Rider

Joined: Feb 2004

Posts: 1,029

Likes: 0

z400 sparkplug gap??

mine at .032

Sep 7, 2004 | 10:41 PM

MikeCer

Pro Rider

Joined: Jun 2003

Posts: 530

Likes: 0

z400 sparkplug gap??

from my Autolite book

2003 LT-Z400 Quadsport . . . . . . . . . . . . . . ---- .028

from the service manual 2003

standard spark plug gap: 0.7-0.8mm 0.028-0.031 in