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Blackening Pipes


Yammyharr
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Hello,


I have a 1997 Yamaha Virago XV535. I've owned it for about a year and three months and when I got it the pipes were in a reasonable condition, but they have been deteriorating. It has been very gradual so I didn't really notice it too much until I saw a picture of what they were like when I bought the bike.



As you can see in the below image they are still reasonably shiny. This was when i got the bike.

1898685_10152274738830485_1517971891_o.jpg


They've got a lot worse since then, especially the front one.

11391247_10153276208760485_1942497835124442670_n.jpg?oh=ff333c430a7d361f6fcef473b4e44112&oe=55F85370

10482571_10153276208775485_7778335796888768332_n.jpg?oh=4e8317c37fa97fecb2f5b84289561232&oe=56024A17


I've read that it could be the fuel/air mixture being too rich. If it is this what do I need to adjust?


Thanks very much :)

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Metal polish and hard work, that looks normal to me, dont read too much into afr's as its a results of heat and road grime.


As said, metal polish on the pipe wrap a bit of rag totally roumd the pipe and hold an end in each hand then pull one way then the other working up and down and it will come up a treat

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