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Discussion Starter #1
Hey,

Currently doing my first build, purchased a 1981 Yamaha SR185 - maybe not the best geometry - but managed to grab it from an old barn for $80 (NZD)

I'm looking for options around a replacement tank so that there is less of an cruiser style angle to the look of the bike. Does anyone know of a replacement that would fit the frame? Worse comes to worse I'll remove the brackets under the tank and try to realign but the overall shape of the tank isn't ideal.

Any help would be really appreciated.
 

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Discussion Starter #3
Yeah absolutely, it was missing a clutch and throttle cable which I brought with me to test everything when I picked it up. Mostly cosmetic issues, a bit of surface rust, missing a fender and a brake light etc but mechanically sound. The guys son had parked it up in his barn and then went overseas, decided not to come back so the old man just wanted it gone.
 

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Hate to burst your bubble but I think the frame is your problem, the fuel tank, well that was just a terrible shaped lump of sheet metal to begin with.
Are you really sure you want to buy or build a bunch of mismatched parts to hang on it in a futile attempt to make an ugly beater bike slightly pretty?

... omg that sounds negative :| but it sure would be a lot cheaper to use photoshop to prove it to yourself.
 

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Personally I would give it a scrubbin' and sell it on. It is really a homely mutt and I'm not sure even with a wad of cash thrown at it if you'll have anything more than a cutesy shitbox. There might be a profit flipping it now, IMO any modifications or upgrades would be money wasted.
 

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Discussion Starter #6
Hey guys, cheers for the feedback. Probably should have mentioned this is a scrambler build maybe, but I mean asking for options around a flatter tank kinda works either way.
Appreciate the opinions, but if everyone works off the same model of bike all the time life’s a bit dull eh.
 

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Appreciate the opinions, but if everyone works off the same model of bike all the time life’s a bit dull eh.

yes I totally agree, seasoned veteran fabricators and experienced custom bike mechanics should branch out and do different bikes because they have the skills to do that and it does keep it interesting.

You know who shouldn't do that? people on their first project trying to learn the basic skills of customizing a motorcycle. Why? because the learning curve is too steep and the opportunity for success is very small. Having an aftermarket for parts is a huge advantage for first timers because it lets them get their projects back on track by fixing their mistakes by buying new parts. If you are working on a bike that no one loves (or even likes) and there are no parts for it and you fuck up making something you have to go back to square one (if you can) and start again, and if the fuckup is particularly bad you have to spend 3 times the money to do it.

That doesn't mean this bike doesn't have things to teach you. Just getting it running, safe, rideable, and presentable stock-ish should get you to the basic skills of what is needed to start thinking about modifying a custom motorcycle.

so pull your head out of your arse and stop being too ambitious for your own good and make the bike run, ride, and have shiny paint - and then sell it and buy something you can then start to modify.

Haha honestly this is the most negative forum.

I asked about a tank, not whether or not you guys approved.

Cheers.
It's not that we are negative, it's that you are too ambitious for your skill set, and too in-experienced to realize it. You don't want to hear the opinion of seasoned veterans who are saying "hey, slow your roll and maybe re-adjust your expectations so you learn things the right way" because it doesn't bring you instant gratification or feed your ego that this was a good idea. So, if you are unwilling to listen to the advice that you came here for - then why are you here? so we can validate your poor decision making? hard pass.

how about this?
make the bike run, ride, stop and work stock. Once it does that - take it apart and paint the frame and address all the cosmetic issues that it may need. Lean how to reseal the engine, rebuild carbs, diagnose and fix wiring, change tires, re-lace wheels, paint, re-upholster, etc. All the basic skills one needs to say they can work on an old motorcycle. saavy?
 

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Bottom line from an operational standpoint; if your fuel tank is rubber mounted, holds adequate fuel volume, doesn't pollute the fuel with rust or leak at the seams, has a decent sealing filler cap and appropriate venting, it's good to go. From an aesthetics standpoint yours was intentionally built to look like a chopper peanut tank and if you didn't want that look :/ why did you buy that bike?
The fuel tank on any motorcycle is a very expensive piece of bodywork to replace.

What fuel tank will fit right on there now: the one that came on it.
What alternative fuel tank would fit right on there without modification or complications arising: none
Is a steel peanut tank a well designed and constructed fuel tank for a performance motorcycle application: Not particularly! steel fuel tanks are relatively heavy and rust. While a steel tank will take a huge dent and possibly still not leak :/ they look like crap with a big dent in the side, I have one of those from a TS185 if you want it come and get it for free.


Are you looking to put a Benelli Mojave knock-off tank on there instead? <- if everyone works off the same model fuel tank all the time life’s a bit dull eh ;)
 

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Discussion Starter #15
Haha this whole thing is classic internet.

Nope - ended up mounting a Honda tank. Re-welded the tank bracket slightly and fabricated new mounts which are slightly forward and down of the original.

Cheers guys.
 
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