yamidonkey Posted July 8, 2019 Share Posted July 8, 2019 I have a yamaha ybr 15 which has had a new fuel pump and jet on it. I have had the bloke at the garage go round and round trying to get it to run properly for more than a few minutes but it keeps cutting out. He's convinced that it's losing compression somewhere but I have been told by somebody I believe to be knowledgeable that somewhere on the bike there will be a small black box with a spring in it and that if the box is knocked and the spring dislodged then this can cause the bike to keep cutting out does anybody know anything about this please Quote Link to comment Share on other sites More sharing options...
Breadsnapper Posted July 8, 2019 Share Posted July 8, 2019 Is it a tilt sensor or fuel cut off your bike isn't upright it cuts fuel? Just ask GoogleDave Quote Link to comment Share on other sites More sharing options...
Phill Posted July 8, 2019 Share Posted July 8, 2019 When does it happen? Quote Link to comment Share on other sites More sharing options...
Breadsnapper Posted July 8, 2019 Share Posted July 8, 2019 It's for if you drop your bike.Dabe Quote Link to comment Share on other sites More sharing options...
fastbob Posted July 8, 2019 Share Posted July 8, 2019 Well you learn something new everyday . I'd never heard of a lean sensor before. Maybe this will help. Apparently it's way cheaper to disable it than it is to try to replace it . I don't know if your bike has exactly the same one but have a look at this article . http://www.yamaha-forum.net/forum/showthread.php?t=480 The bike probably is losing compression though . A lot of YBRs go this way . Never mind, it's an excuse to fit a Chinese 150cc kit . Quote Link to comment Share on other sites More sharing options...
yamidonkey Posted July 10, 2019 Author Share Posted July 10, 2019 nice 1 guys, now I know what its called I can phone the guy at the garage and make sure that he`s checked it.What is a Chinese 150 cc kit and how much if I do need one? Quote Link to comment Share on other sites More sharing options...
Breadsnapper Posted July 10, 2019 Share Posted July 10, 2019 They're about 50 quid off eBay then you have to fit it all which is engine apart.Dave Quote Link to comment Share on other sites More sharing options...
geofferz Posted July 10, 2019 Share Posted July 10, 2019 nice 1 guys, now I know what its called I can phone the guy at the garage and make sure that he`s checked it.What is a Chinese 150 cc kit and how much if I do need one? Illegal if you're on Ls Quote Link to comment Share on other sites More sharing options...
Guest Richzx6r Posted July 10, 2019 Share Posted July 10, 2019 nice 1 guys, now I know what its called I can phone the guy at the garage and make sure that he`s checked it.What is a Chinese 150 cc kit and how much if I do need one? Illegal if you're on Ls Ahh it's just a minor technicality officer if you look really close it's a 125....it says so right there on the side of the bike Quote Link to comment Share on other sites More sharing options...
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