Chris,
The colour is no longer a reliable identifier. I would trust
what Burlen sent you. The waxstats weren't over here, much, but they
were different originally.
When I set or balance carbs, I start by bringing both jets
level with the bridge, then run the nut down 2 turns. If you can get
them flush, then they should be fine. Someday measure the hole, and
make sure it's .090" (they also can be .100")
I'm guessing Frank does too. I suspect he didn't catch that one of
the jets wasn't all the way flush.
Ignition issues can foul 2 plugs as well..... just sayin' ;-)
Peter
===
At 10:09 AM 1/26/2011, Chris King wrote:
>Hmm, I think I have black jets in my 1500 (twin HS4 carbs). I've run
>into a similar problem that Frank has (fouled on 3&4). Haven't taken
>the carbs off yet to look at it, but this is timely. One more thing to look at.
>
>The carbs are a late FZX series from a UK Midget/Spit that
>originally came with waxstats. I think I bought a conversion kit
>from Burlen several years ago, so I asssume the jets are correct.
>Any way to be sure?
>
>Chris King
>http://home.comcast.net/~kvcbk/
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