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The TTR250 FAQ web pages -> TTR250 -> Repairs and maintenance -> Locking fuel cap for a plastic tank?
Post Info TOPIC: Locking fuel cap for a plastic tank?
Gcorner


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Locking fuel cap for a plastic tank?
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 The Missus just passed her competency test for pre learners (Tasmania) and is keen to start riding the TTR to work so i was wondering if anyone knew how to lock up the tank for some added security, more concerened about vandals and skanky additives than pilfered fuel. Fuel is easy to replace. Probably being paranoid but there are some Shi++as out there. Will be insuring it for Fire and theft as well.



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ttr steve


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I know it is a very old post, Did anyone find an answer for this?



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pricey


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I've got an acerbis locking cap - I'll see if it fits on the standard tank when I get home from work. Some hate the acerbis cap and have reported the threads are hard to line up. I haven't found that at all. IMHO it works great. Vents fine and doesn't leak either. 



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krum downunder


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Like Pricey, i have an Acerbis tank. But before that i was looking at these
www.aliexpress.com/item/TTR250-TW225-DT230-DT200WR-Motorcycle-Gas-Fuel-Tank-Cap-Lock/32789219384.html

Not sure they fit tho :S

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ttr steve


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Cheers

Chris and Krum

Will look forward to your answer Chrissmile

Anyone else manage it?



-- Edited by ttr steve on Tuesday 28th of February 2017 09:16:24 AM

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TTRfan


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krum downunder wrote:

Like Pricey, i have an Acerbis tank. But before that i was looking at these
www.aliexpress.com/item/TTR250-TW225-DT230-DT200WR-Motorcycle-Gas-Fuel-Tank-Cap-Lock/32789219384.html

Not sure they fit tho :S

They only fit the metal tanks. Haven't seen a lockable cap for the plastic tanks other than the Acerbis ones - example here http://www.ebay.co.uk/itm/New-Locking-Cap-Acerbis-Fuel-Petrol-Gas-Water-Tank-Tappo-con-Chiave-Serbatoio-/160366695780 

Brian

PS Steve also sells the lockable caps for the metal tanks - see https://totallyttrs.com/epages/699105d9-e4cc-4b32-b236-84e72cd67f84.sf/en_GB/?ObjectPath=/Shops/699105d9-e4cc-4b32-b236-84e72cd67f84/Products/TTR-0250



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pricey


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Here's a shot with the acerbis locking cap on the ttr tank and the ttr cap on the acerbis tank. They are interchangeable! biggrin They both crank down against their respective rubber seals so shouldn't leak. No guarantees though and YMMV. But it looks bloody close to me wink. I'd run with the acerbis cap if it was me. 

                                                      tanks 20170228_210608.jpg

 



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ttr steve


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Hi Chris

Thanks so far, could you tell me though if the acerbic locking cap actually locks on the Blue tank? As the inside of the kneck is longer on the blue one and not sure how it would lock.

Thanks in advance.

Steve



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pricey


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Acerbis cap sure does lock wink. It's locking mechanism has zip to do with how high the lip on the tank is. When it locks the outside of the cap, the skin if you like, simply rotates freely when turned and doesn't grip on the body of the cap. 

 

20170304_131957.jpg



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ttr steve


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Thanks

Chris

I will get some insmile



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ttr steve


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Does anyone know if you get pressure build up in the tank? I know the Acerbis locking cap lets the tank breathe air in, letting fuel flow freely, but what about pressure build up when standing for a long time?

Any feedback welcome.

Steve



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Kaos


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biggrinconfuse

Pressmilesure in the tank...like a turbo ,shooting fuel in through the carby.smileconfuse



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TTRfan


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The only problem I have experienced with pressure build up was with a plastic tank.

The TTR had been travelling down through France on a trailer in full sun and parked up overnight outside Torsten's lovely gaffe at Ride Limousin.

Embarrassingly for me it wouldn't start. It didn't take long to suss that no petrol was getting through. Taking off the petrol cap released the vacuum and all was well.

What had happened was the pressure had built up when the tank was hot to such an extent it had jammed the one-way valve in the breather pipe and when the tank cooled it had created a vacuum.

Took the breather pipe off and had two great days of riding with no problems biggrinbiggrin

Brian



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pricey


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ttr steve wrote:

Does anyone know if you get pressure build up in the tank? I know the Acerbis locking cap lets the tank breathe air in, letting fuel flow freely, but what about pressure build up when standing for a long time?

Any feedback welcome.

Steve

 Mate if I haven't noticed any dramas with the cap in the sunshine in Australia, I think you blokes in England should be fine wink



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ttr steve


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Nice one Chris appreciate the feedbacksmile

I will let my customer know.

Steve

And Brismilesmile



-- Edited by ttr steve on Tuesday 5th of September 2017 10:17:42 PM

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Squire


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Would anyone be able to share the exact part number for the locking cap that fits the blue tank please? Thank you in advance.

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pricey


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Squire wrote:

Would anyone be able to share the exact part number for the locking cap that fits the blue tank please? Thank you in advance.

 https://totallyttrs.com/epages/699105d9-e4cc-4b32-b236-84e72cd67f84.mobile/en_GB/?ObjectID=10094709



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ttr steve


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Will be ordering some more in Mondaywink



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