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Seeker · 07-09-19, 06:33 AM

Many years ago I had an awful piece of German engineering; a VW Polo. I took it to be Krypton tuned (remember those?) and the mechanic said: "Are you sure you want me to do it with a burnt inlet valve?" It sounded a bit like your SV.
I suppose an air leak might cause it - if you spray the intake rubbers with WD40 the idle will stumble if there's a leak. Where are your air screws set to? (2.5 turns out is normal). What happens above idle revs, what does it ride like? Have you checked compression? Valve clearances? I suppose the big question is why was it laid up 10 years ago?

07-09-19, 06:33 AM	#2
Seeker Member Mega Poster Join Date: Jun 2016 Location: NE Lincs Posts: 1,120	Re: Slight misfire after 10 year layup Many years ago I had an awful piece of German engineering; a VW Polo. I took it to be Krypton tuned (remember those?) and the mechanic said: "Are you sure you want me to do it with a burnt inlet valve?" It sounded a bit like your SV. I suppose an air leak might cause it - if you spray the intake rubbers with WD40 the idle will stumble if there's a leak. Where are your air screws set to? (2.5 turns out is normal). What happens above idle revs, what does it ride like? Have you checked compression? Valve clearances? I suppose the big question is why was it laid up 10 years ago?