garshero Posted July 12, 2012 Share Posted July 12, 2012 Hi all i got a xvs 125 about 2 weeks ago, 2001 12 thousand mile on it in good nick. So im doin about 100-110 kph and it starts to drop power so i check on line and ask few bike owners they say carb or electrical so i get tank and all off carb and rubber y leg thingy ( which has few cracks ) then i decid il service it while im at it so drain oil pull out filter no bother like, then go to take out plugs (engines cold and iv gave a squirk of wd40) i get socket on it and f@#k its tight get about 2 full turns then pop plug snaps ( words were invented at this point ) so i start thinking wat am i goin do so off i take the head get a easy out into whats left of the plug and get it out of coarse threads are completely gone like. So only thing to do is use a helli coil which is in now. My questions are shud i do other cylinder ? And how to i re-aline the cam chain? And what cause first problem? O forgot to say the last person to have bike was a idiot he put a ngk/cr6hsa plug in her which is m10-1.25 not rthe standard plug which is ngk/ cr7hsa which is m10-1 Link to comment Share on other sites More sharing options...
Moderator Airhead Posted July 12, 2012 Moderator Share Posted July 12, 2012 did he put the wrong plugs in both heads then...effectively binding it up good n proper? Link to comment Share on other sites More sharing options...
garshero Posted July 12, 2012 Author Share Posted July 12, 2012 I think so it pretty hard to see writing on second plug and yup as good as welding them im surprised he got them in must of taking serious force Link to comment Share on other sites More sharing options...
Moderator Airhead Posted July 12, 2012 Moderator Share Posted July 12, 2012 looks like you'll be in for the same scenario with the other, if you get it even to just 'crack' open a little keep reciprocating the wrench but with an undoing bias if you see what I mean Link to comment Share on other sites More sharing options...
YPVS TONE Posted July 12, 2012 Share Posted July 12, 2012 According to the NGK catalogue I have the CR6HSA and CR7HSA should both be 10mm thread diameter and 1.00mm pitch denoted by the "C" at the start of the code. The difference in the two plugs is the 6 and 7 which means the 6 is a softer type plug which will run hotter then the 7 type plug. Link to comment Share on other sites More sharing options...
Moderator Airhead Posted July 12, 2012 Moderator Share Posted July 12, 2012 good call tony...both the same threads then Link to comment Share on other sites More sharing options...
garshero Posted July 12, 2012 Author Share Posted July 12, 2012 Must of been a cross thread then cause all threads wer f-ed Link to comment Share on other sites More sharing options...
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