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Full Version: Tamper proof oil filler cap
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Hi all Is there one of these available for the CB1100? If not does anyone know if the BMW one would fit the Honda? (most likely different thread/hole size)

https://www.aliexpress.com/item/32885619..._ext_f=%7B"sku_id"%3A"65648193259"%7D&pdp_npi=2%40dis%21GBP%21%217.31%21%21%21%21%21%402100bdec16574534786367207e8​71d%2165648193259%21sea
(07-09-2022, 09:50 PM)Maturecheese_imp Wrote: [ -> ]Hi all Is there one of these available for the CB1100? If not does anyone know if the BMW one would fit the Honda? (most likely different thread/hole size)

https://www.aliexpress.com/item/32885619..._ext_f=%7B"sku_id"%3A"65648193259"%7D&pdp_npi=2%40dis%21GBP%21%217.31%21%21%21%21%21%402100bdec16574534786367207e8​71d%2165648193259%21sea

Good question, and nice find MC.

The tamper-resistant filler cap is also good lookin'.

[url=https://www.aliexpress.com/item/32885619543.html?spm=a2g0o.productlist.0.0.2f095625JvDQsc&algo_pvid=9b8c1ca0-4fef-4395-afef-c135ef2f63ef&algo_exp_id=9b8c1ca0-4fef-4395-afef-c135ef2f63ef-18&pdp_ext_f=%7B]

(click on image)
They look nice. They are just a torx though- tamper ones would have a nub in the center.

I'd suggest silver as the anodizing would mar where the tool rubs.
Looks nice, but is oil tampering a thing?
I was wondering the same thing tommymck
If someone has a BMW that these fit, it would be easy enough to see if they fit the CB1100 before you order any.
(07-10-2022, 01:53 AM)The ferret_imp Wrote: [ -> ]I was wondering the same thing tommymck

... probably easier to quickly punch a gashing hole in the side of the engine case.
If I recall, the BMW has a larger diameter hole than we do. My old R1200R had a factory tamper-proof oil cap. It had a funky triangular shape to it, which required a supplied tool to open.
My 2004 BMW R1150RT has a completely different cap. It is all plastic, but is not threaded at all. Inside is a plastic T which fits into a slot inside the case. Nothing threads into anything.
How about tamper-proof valve stems? Or tamper-proof throttle cables? Or spark plug caps? Axle bolts? Rubber hoses? Bleeder screws? There are too many exposed components on a motorbike to worry about that could be tampered with that would leave you stranded, or dead.
Sobering thought.
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