[D4VO]

Taking off a gas cap on a 2015 r12r is it an easy swap? got this push close/open cap off ebay. Had a little try today to take off OEM, it wasn’t coming out easy so left alone. Should it just pop out or should I be careful 🤓

 

[Lee F]

You'll need to take the tank covers off first.

 

[Lee F]

If you have keyless the electrical connector is on the left side toward the front.

 

[Lee F]

Could you post a link to the cap you purchased?

 

[D4VO]

Could you post a link to the cap you purchased?

See if this link works.

Fuel Tank Cap for BMW R1200RT R1200GS AD 2013-2019 R1200R 2014-2019 Motor Black | eBay

R1200RT 2013-2019. R1200R 2014-2019. R1200GS 2013-2019. R1200GS AD 2013-2019. CNC Front Brake Fluid Reservoir Cover Cap Fit Ducati 899 939 959 1190 1299 New. Fuel Gas Tank Cap Cover For Aprilia RS125/RS250 RSV1000 Triumph Tiger 800 Green.

www.ebay.co.uk

 

[D4VO]

If you have keyless the electrical connector is on the left side toward the front.

Don’t have electric key

 

[D4VO]

You'll need to take the tank covers off first.
View attachment 110796

Forgot about them being plastic.

 

[D4VO]

See if this link works.

Fuel Tank Cap for BMW R1200RT R1200GS AD 2013-2019 R1200R 2014-2019 Motor Black | eBay

R1200RT 2013-2019. R1200R 2014-2019. R1200GS 2013-2019. R1200GS AD 2013-2019. CNC Front Brake Fluid Reservoir Cover Cap Fit Ducati 899 939 959 1190 1299 New. Fuel Gas Tank Cap Cover For Aprilia RS125/RS250 RSV1000 Triumph Tiger 800 Green.

www.ebay.co.uk

Could you post a link to the cap you purchased?

This gas cap doesn’t fit properly, plus no way of connecting fuel breather pipes. It was an experience taking plastic covers off tho.
Has anyone changed gas cap before.

 

[D4VO]

Breather pipes on petrol cap are they needed? if I can get ventilation from tank via another way, like drilling small holes in outer ring this should allow vapours to escape. Just needed to know will that mess with any sensors connected to tank!

 

[r0ckrat]

@D4VO There are usually 2 pipes - one that allows vapor pressure to escape from WITHIN the tank, and one that allows spilled fuel to drain from around the filler neck. The first is below the seal where the cap meets the neck - usually built into the tank to prevent leaking unless the bike is on it's side. These also both vent away from the exhaust, below the engine, to prevent major issues.

The cap you shared does not look like it should require that much disassembly - it looks like it just replaces the outer ring and center cap, so not sure why the rest of the system needs to come off.

 

[D4VO]

@D4VO There are usually 2 pipes - one that allows vapor pressure to escape from WITHIN the tank, and one that allows spilled fuel to drain from around the filler neck. The first is below the seal where the cap meets the neck - usually built into the tank to prevent leaking unless the bike is on it's side. These also both vent away from the exhaust, below the engine, to prevent major issues.

The cap you shared does not look like it should require that much disassembly - it looks like it just replaces the outer ring and center cap, so not sure why the rest of the system needs to come off.

Thanks for replying.

this after market ring will need some bodging to fit, I’ve had plastics off to test fit. I was more concerned about venting vapour from tank. Spillage I’m hoping won’t be too bad, I never fill to brim unless on long journeys. I’m not sure if it would cause any running issues.

 

[r0ckrat]

Only running issue I can think of is the lack of vent may restrict the pumps ability to flow fuel - and that will be the internal vent line.