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Advice based on plug pics

  • Thread starter Thread starter capnkirk13
  • Start date Start date
Notice the lack of small o-rings next to the small brass riser on the middle two carbs? Is this normal? I would assume not.
IMAG0326.jpg


And yea...I'm a little p!$$3d about those three fubar'd screws.
 
Steve said:
My son's '81 850 has a pipe of unknown origin and a K&N insert in the stock airbox. We have 120 mains and stock pilots in there, I don't remember if I shimmed the needles. :-k

Don't have any pictures of the plugs, but it runs great.

.
Click to expand...
BTW Steve, your sons pipe is in fact a Jardine. Terry has its twin in his garage right now...
 
Use a carbide zip wheel to cut a slot in the screw head. A large standard will walk those screws right out of there.
 
Yea...unfortunately all my air tools including cutting wheel are at my other place. Won't happen tonight.
 
Captainkirk said:
Use a carbide zip wheel to cut a slot in the screw head. A large standard will walk those screws right out of there.
Click to expand...

Or you could use the propper JIS screwdrivers on them and never have this problem again ;)
 
Meh, convert the lot to stainless for about $5. You'll wonder why you never did it before.

Anyway, the 120 jetting for pipe and K&N filter sounds about right. The stock airbox on these is very restrictive, but also makes the engine very smooth. I ran pods on mine with a 4-1 exhaust. Jetting ended up with 140 mains; about a 20% increase over stock.

Cheers - boingk
 
TheCafeKid said:
Or you could use the propper JIS screwdrivers on them and never have this problem again ;)
Click to expand...

I'm pretty sure I used the right driver as the rest came out fine. The PO had already screwed these up (pun intended). I just got the bike and will be replacing as much of these philips with stainless allen as possible.
 
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