Wanted - 202 bayonet fuel filler cap

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lambs
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Wanted - 202 bayonet fuel filler cap

Post by lambs » Sun Mar 01, 2020 11:37 am

The fuel tank I have for the 202 didn't come with a fuel cap, so I need to track one down. It's a bayonet type but seems to be an odd size and I haven't been able to find anything so far with the right dimensions. I've attached an image, which shows the filler neck dimensions so hopefully someone knows a source (nozem ?). I've sent an enquiry to Bob Wright, but no response yet.

The parts list I have shows that early models (1964 or so) of the 202 had a flip up fuel cap and I've found a few of those available in Italy. If necessary, I'll modify the tank I have to accept a flip up type, but would prefer to get a bayonet type if available.

TIA
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Re: Wanted - 202 bayonet fuel filler cap

Post by lambs » Sun Mar 01, 2020 11:41 am

Actually Nozem's restored 202 shows a bayonet fuel cap. Hopefully mine will look like this one day :)
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Re: Wanted - 202 bayonet fuel filler cap

Post by Joachim » Mon Mar 02, 2020 6:46 am

did you only search for an original Gilera part?
Maybe you will find something fitting in the range of other oldtimers, traktors, boats, garden machinery....

good luck, Joachim
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Re: Wanted - 202 bayonet fuel filler cap

Post by lambs » Mon Mar 02, 2020 7:41 am

Joachim wrote:
Mon Mar 02, 2020 6:46 am
did you only search for an original Gilera part?
Maybe you will find something fitting in the range of other oldtimers, traktors, boats, garden machinery....

good luck, Joachim
Thanks for the reply, Joachim. Yes I've done extensive searching. There's a 50's era volkswagen fuel cap that comes close, but the spring steel bayonet is too short. I'll keep searching, or perhaps Bob might get back with good news, but if worst comes to worst I still have the flip-up cap option, which I actually think looks better anyway. Here's an early 202 tank with a flip up cap....
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Nozem
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Re: Wanted - 202 bayonet fuel filler cap

Post by Nozem » Thu May 21, 2020 9:50 pm

Hi Lambs,

Sorry for the late response! It took me a while to get to my bike in these strange Corona times... *durchdreh*
I have checked the fuel cap of my Gilera 202 and I think that you are searching in the right direction.
Because my bayonet cap is marked with Patent Blau, this probably is the same as the VW cap that you found?
But as you already found out these bayonet caps were available in various dimensions.
I have taken pictures and measurements of my fuel cap, I hope this will be of any help.

The fuel tank in your previous post is actually of a Gilera 175 Giubileo Extra, not a 202.
The 175 models had the flip up fuelcap, I think that the 202s always had a bayonet cap.
Late models of the Gilera 124 (1965 and up) also had the same type bayonet fuel cap fitted.

Good luck!
Nozem rulez
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Re: Wanted - 202 bayonet fuel filler cap

Post by Joachim » Fri May 22, 2020 7:26 am

Blau is simply a brand.
Producing fuel caps since.... many years
I think they are still alive

ciao Joachim
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Re: Wanted - 202 bayonet fuel filler cap

Post by lambs » Fri May 22, 2020 11:11 am

Thanks for the info guys, all very useful. *danke*
Nozem wrote:
Thu May 21, 2020 9:50 pm
The fuel tank in your previous post is actually of a Gilera 175 Giubileo Extra, not a 202.
The 175 models had the flip up fuelcap, I think that the 202s always had a bayonet cap.
Late models of the Gilera 124 (1965 and up) also had the same type bayonet fuel cap fitted.
What's interesting is that the 202 factory parts book that I have shows a flip-up style fuel cap as the standard part (PN 27808), see attachment. The parts list was printed in 1965 and 202 production started in 1964 (I think) so maybe early production bikes came with the flip-up cap (??)

I must admit I like the idea and looks of the flip-up fuel cap and it would be simple thing to mod the tank that I have to accept one. My bike is an early one based on the frame and engine numbers.

Decisions, decisions..... :roll:
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Re: Wanted - 202 bayonet fuel filler cap

Post by Nozem » Fri May 22, 2020 3:29 pm

Great stuff Lambs, I never noticed there was a flip-up cap in the 202 manual!
This way we keep on learning new stuff about our Gilera's every day . :kacke:

I also happen to have a Giubileo 175 fuel tank over here.
It has the "Supercortemaggiore" flip-up cap, brevetto 59316.
Notice that the fuel cap of the 175 fuel tank is about 5-7 mm smaller.
So if you decide to go for a flip-up cap, be sure to get the right diameter.

Greetings,
Nozem rulez
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Re: Wanted - 202 bayonet fuel filler cap

Post by Joachim » Fri May 22, 2020 6:52 pm

Nozem wrote:
Fri May 22, 2020 3:29 pm
"Supercortemaggiore"
Wow... what a name for a simple fuel tank cap
Happy italians

giggle Joachim
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Re: Wanted - 202 bayonet fuel filler cap

Post by lambs » Sat May 23, 2020 1:04 pm

Joachim wrote:
Fri May 22, 2020 6:52 pm
Nozem wrote:
Fri May 22, 2020 3:29 pm
"Supercortemaggiore"
Wow... what a name for a simple fuel tank cap
Happy italians

giggle Joachim
Supercortemaggiore seems to be a reference to a type of AGIP fuel:

https://www.eni.com/en-IT/about-us/history-of-logo.html

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Re: Wanted - 202 bayonet fuel filler cap

Post by lambs » Sat May 23, 2020 1:07 pm

Looking at the Blau website it seems their type B50 fuel cap will fit my tank, specifically the B50 MBE-OENTL type:

https://www.blau.co.at/en/products/fuel ... spx?LNG=en

Now I have to decide which type I go for - bayonet or flip-up......decisions, decisions :roll: :D

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Re: Wanted - 202 bayonet fuel filler cap

Post by Joachim » Sat May 23, 2020 4:40 pm

cross reverence..... Case Harvester
What did i say? Agricultural machinerie

giggle giggle giggle

ciao Joachim
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