Author Topic: cb500rs  (Read 578 times)

tevie54

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Re: cb500rs
« Reply #30 on: December 07, 2020, 07:21:13 PM »
There's a breather hole in the frame downtube just behind the engine so I assume water must get in there and slowly corrode from the inside out. I managed to grind away the old weld and reweld the crack and then respray with satin black. I think I'll spray some chain lube through a long nozzle down those breather holes in the frame.

xbally

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Re: cb500rs
« Reply #31 on: December 07, 2020, 08:16:47 PM »
There's a breather hole in the frame downtube just behind the engine so I assume water must get in there and slowly corrode from the inside out. I managed to grind away the old weld and reweld the crack and then respray with satin black. I think I'll spray some chain lube through a long nozzle down those breather holes in the frame.
Yes that's pretty much what my mate did / said. Not sure whether the battery breather could affect it if poorly routed. Had a similar corrosion problem on my XBR500 but it was the swing arm itself which corroded on that. Luckily I had a spares bike which I raided for a replacement.
CB250RSA  XBR500  ROYAL ENFIELD INTERCEPTOR 650
DUCATI M750 MONSTER