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Thanks, first noticed the noise 2up with luggage after fettling carbs, valve clearances and timing. As mentioned it is very specific to a narrow rev band coming in at around 2700 rpm and stopping a couple of 100 rpm higher. I hadn't noticed it before on the stand until this weekend. Its more audible...

Thanks GSPD, will have a look over the next week.

Thanks, good to know.

Have an engine stethoscope somewhere, will have a poke about.

Hi All

As mentioned in earlier posts, here's a video of the noise I'm getting. Mileage is 75k miles.

[media]https://youtu.be/UK-52KEtzsY?feature=shared[/media]

Possible pinging, timing chain, something else?

The engine badge fell off just before filming!

Be interested in thoughts.

Cheers

Ade

I've used the bike over the last few weekends trying to keep it above 3000rpm on the road, and aside from a crappy idle when cold which settles down when warm, I noticed the 2700ish pinging noise seems very pronounced when cold and blipping the throttle through the revs, and it appears to be coming ...

Hi All Rear brake activation reliably triggers the stop/brake light, the front brake is intermittent to not triggering at all. The wiring from the below tank master cylinder triggers the light when shorting the contacts which makes me think the loom is ok, although I replaced some shonky wiring by t...

Glued them on with a multipurpose silicone goo I've had in the freezer for ever...let's see how long they stay put!

Hi, having had a similar issue on my 78 R100RS I managed to sort it after much (enjoyable) messing about involving: Valve clearances. Checking coils and leads. New points and ignition timing reset.. New plugs and air filter. Carb strip, clean and refurb, replacing gaskets, springs, main jets, needle...

Thanks both, I've a tube of silicone somewhere I'll dig out.

The rings/shrouds on my RS/S conversion won't stay put. It looks like a PO has replaced the glass at some point and the indent around the interface between glass and housing is uneven. The shrouds which were on the bike at purchase fell off on journey home from the vendor but luckily I managed not t...