Breaking-up/sputtering under load
afm199 at earthlink.net
Thu Sep 4 10:03:48 PDT 2008
On the track they should be white almost white. On the street a bit
more gray/tan. If there are little shiny speckles on the plug start
worrying. The plug charts that are on the internet are for old cars,
all modern cars/bikes run ultra lean.
On Sep 4, 2008, at 9:55 AM, Wayne Beaver wrote:
> Sorry to keep nagging with this one, but after most recent test ride,
> electrodes on both (brand new...) plugs are quite white...does this
> indicate a
> lean condition?
> Wayne Beaver
> NESBA #737
>> Date: Thu, 21 Aug 2008 12:33:21 -0700
>> From: Ernest Montague <afm199 at earthlink.net>
>> Subject: Re: Breaking-up/sputtering under load
>> check fuel ( look at plugs for bone white) and also check primary coil
>> On Aug 21, 2008, at 9:26 AM, Wayne Beaver wrote:
>>> Did a track day at NJMP/Thunderbolt yesterday, which was great fun
>>> until the
>>> bike started acting up (which, unfortuantely, was mid-way through
>>> second session).
>>> The bike feels like it's missing in various parts of the RPM range,
>>> changes slightly depending on which gear the bike is in. It often
>>> misses between
>>> 5 and 6k, then again between 8 and 9k. Won't climb above 7k in top
>>> gear. Seems
>>> to run fine at idle and through rev range when parked. Only slight
>>> blip between
>>> 5-6k in first gear.
>>> Has something similar happened before to anyone here? Any ideas where
>>> I should start?
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