Howie:
There is something definitly wrong. My 97 has a 4/1 Two Brothers, shimmed stock
needlesand a Uni filter. I've run close to 15,000 miles on a set of plugs and
nary a miss. I'd try a fresh set of stock plugs, NGK DPR8AE-9, set your low speed
needles at 2.5 out and try that. If they still foul, you seems to have a very
rich condition. Go back to the stock carb set-up and work from there. (needles,
pilot jets and mains and check fuel level in the floatbowls) If that doesn't
solve the problem, you've got me stumped.
Good luck
Scott
VMOA #500
[EMAIL PROTECTED] wrote:
> Hello all,
> I've been having regular occurence of plug fouling since I bought my Max. It
> came with Stage 1, K&N filter, and supertrap slip-ons (w/ 8 discs).
> Supposedly his local dealership just did $300 worth of labor on the carbs.
> He gave me the air filter box which contained 4 badly fouled plugs. After
> having my plugs foul after 600 miles, then another 600 miles later, I
> determined he must have gone through the same thing and didn't want to pay to
> get the carbs fixed again. Note that my right front plug would always foul
> first. Sometimes I would just replace it with one of my older plugs from any
> of the other 3 cylinders until I had time to get new ones.
> My bike would run really great and then slowly deteriorate until I
> changed the plugs. Then it was like a new bike again.
> So here is what I've done since:
> 1) added 6 more discs for increased air flow (supertrap recomended 14 total)
> 2) synched my carbs
> 3) removed Y piece from airbox
> 4) cleaned and reoiled air filter
> It has been about 300 miles since all of this. My front right plug is
> still worse than the others and it seems halfway to becoming totally fouled.
> This bad one is black all over the porcelain and metal bar (electrode?). The
> other 3 are black over half of the porcelain and tan over the other half.
> The metal bar is black halfway up and uncovered at the top of the bar.
>
> My question is what should I do to determine my problem? Should I stick a
> new set in and do some sort of test, then adjust things? Maybe then I can
> post results and ask what to adjust.
>
> Thanks anyone who can help. Hopefully not everyone is at Bikeweek. I'm
> planning on going next weekend. Just hope to get things set up right before
> the ride.
>
> Thanks,
> Howie
> 93' Max
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