Technical Forum > Electrical

Vara xl1000 va5 developed a misfire

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mickeyflyn:
My vara has started to develop a misfire and while riding it feels like a slack chain and difficult to keep smooth.
Whe ticking over it will intermittently cough and cut out . I run on premium fuel.
I have ordered a new set if iridium plugs and a new air filter as I'm taking the tank off ,should I go the whole hog and replace coils and leads ?
The bike is well looked after and has 30k miles on it.
Any ideas would be appreciated.

The Prodded Dog:
Hit the search engine and type in "misfire".
Could be out of balance throttle bodies???
Try the simple and cheap things first.
The Prodded Dog

mickeyflyn:
Hi guys further to my misfire,  took the tank off replaced the air filter checked and cleaned rear plug,which is when I spotted the rubber t joint into the pipe that joins the vacuum pipe I identified as coming from the Scott oiler had come out letting in air.
Cleaned and refitted , clipped the pipes and reassembled.
All back together and started up ran upto temp with no sign of the misfire.
I did read something about another person identified the Scott oiler as the cause of a similar problem.

The Prodded Dog:
There you go! Cheap and easy fix.
The Scott oiler air leak was me!
The Prodded Dog

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