Poor running

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skinnybob
Newbie
Posts: 24
Joined: Sun Apr 13, 2008 11:32 pm

Poor running

Post by skinnybob »

My RH cylinder is just running/firing a bit, compared to the LH side which gets warmed up OK the RH is just slightly warm -Barrel/Pipe etc. I've cleaned the tank and the carb a couple of times, is it likely to be just shit still in the carb??? There's no nasty rattles etc, spark's good. ](*,)
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nzkr1
Heavy Smoker
Posts: 115
Joined: Thu Jun 26, 2008 2:37 am
Location: New Zealand

Post by nzkr1 »

I had the same problem on the dyno once. It would only fire every now and again, it turned out to be a spark plug cap, to much resistance. fitted new plugs and caps and away she went. Get hold of an ohm meter and check the resistance.
BOX
Newbie
Posts: 13
Joined: Fri Nov 09, 2007 1:15 am

Post by BOX »

I'm pretty sure the ignition is dual firing so you should be able to just swap over the plugs, leads and caps to eliminate that as a problem. I've got a similar problem where the RH cylinder seems to be doing less work. Havn't found a definative solution yet but swapping plugs caps and leads around to get an even spark on each side has helped. If it's been going on for a while your RH pipe is probably colgged as well.
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the-elf
Avgas Sniffer
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Joined: Wed Jul 26, 2006 2:48 pm
Location: Rockingham, Western Australia

Post by the-elf »

Swap the HT leads over and see if the problem follows it to the LHS. If it does then you need new plugs and leads. The HT leads are partof the HT coil and are NLA from Kwack. If you look in the KRchive section it lists a supplier of a suitable replacement HT coil and leads.

If the problem is still on the RHS try swapping the plugs over, if it's still the same after swapping the plugs and HT leads then the problem lies somewhere else.
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