Spark Plug Colour?!!

YT · L Plate Warrior Joined: 04 Feb 2002 Karma :

What sort of colour should the spark plug be??

Not long ago put a new one in and after looking at it, it looks quite black already.
Is it running to lean/rich?? Or is this usual?
if so how do i adjust this?

Cheers
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Cheers,

-YT-

MultiSync · Renault 5 Driver Joined: 05 May 2002 Karma :

i think black means the bike is running lean?

Guest · Posted: 10:31 - 08 May 2002 Post subject:

Hi
Black means it is running to rich
The best way to get the right reading is to do a plug chop, get the bike up to temp take the bike to a long strate road ride the bike hard in all gears up to sixth,pull the cluch in at the same time as you hit the kill switch, pull over and take the plug out and check colour if it i is still black u have a problem, if it is a nice light brown then it is fine,and if it is white get it looked at ASAP.

TiN · Pocket Tin Joined: 14 Feb 2002 Karma :

is it sooty, or oily?...either way, it's not good...

Tin

McJamweasel · BCF Junkie Joined: 22 Mar 2002 Karma :

How long ago is not long?
10 miles, 100, 1000?

if its closer to the latter then thats not too unusual.
Check your air filter as well though - it may need a clean.
____________________
BCF: Be yourself, just don't be an arse.

TiN · Pocket Tin Joined: 14 Feb 2002 Karma :

Does a "dirty" plug need to be cleaned?...if so, how?

Tin

Guest · Posted: 12:52 - 08 May 2002 Post subject:

black not too bad, but if its white be very worried

TiN · Pocket Tin Joined: 14 Feb 2002 Karma :

oh, that's ok then...mine's only black!...

Tin