Scooter Performance Upgrades (Tank 50qt-9)
I just got to hawaii two days ago and my dad bought a Tank scooter, 50qt-9 or something like that.
Its a dog. We drilled a hole through the exhaust baffles (small one). Opened up the carb and adjusted the needle to add some fuel. Now it has great top-end and will do closer to 50 compared to the 25 top speed it had before. The low-end sucks terribly though. So today we asked a local scooter shop what to do, he said drill out the jet one size larger. We had him do that for us. Now it bogs like a mofo on tip-in. It already wouldn't hardly go up a damn hill without some flinstone kicking. I could just about strangle dad for buying this chinese piece of shit when he could have gotten a Metropolitan, Vino, Vespa, or anything besides this piece of shit. Even our Korean made scooter kicks this things ass. Anyone know what can be done carb wise to fix this issue possibly? We also adjusted the valves to make sure they were tight enough. |
re-jet it :giggle: or shim it
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What would I be shimming? I don't know jack about this shit. I think it needs a GT15 strapped to its ass.
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Originally Posted by cjernigan
(Post 343431)
What would I be shimming? I don't know jack about this shit. I think it needs a GT15 strapped to its ass.
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what carb?
try adjusting the needle one setting lower with the bigger main jet |
you would be shimming the main carburetor needle(jet), research carbed bikes and incorporate the same things people do with them, with a scooter though I dunno If itll do a whole lot basically it feeds more fuel if running a more efficent intake or exhaust mods, heres a link for a bigger (jet) for what I think you have http://www.xinlingworld.com/scooterp...rch=50&page=11
also a link for engine upgrade lol http://www.scootsusa.com/stroke-80cc-engine-upgrade-belt-drive-p-114.html that link has tons of parts rev unlimters etc... |
already getting the haole treatment?
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Meg's chinese "50qt" runs line a mo-fo, always has. Does 45 with the two of us on it. Buy it for $500 and ship it out there. Only 98 miles/1 tank of gas thru it.
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Originally Posted by turbobluemiata
(Post 343449)
you would be shimming the main carburetor needle(jet), research carbed bikes and incorporate the same things people do with them, with a scooter though I dunno If itll do a whole lot basically it feeds more fuel if running a more efficent intake or exhaust mods, heres a link for a bigger (jet) for what I think you have http://www.xinlingworld.com/scooterp...rch=50&page=11
also a link for engine upgrade lol 4 Stroke 80cc Engine Upgrade Kit - Belt Drive - ScootsUSA - Buy a gas that link has tons of parts rev unlimters etc... We're changing the clutch weights out now to try and get it to wrap out more before engaging.
Originally Posted by y8s
(Post 343495)
already getting the haole treatment?
Outside of that, no haole treatment really. We know enough locals and my family has been here more than long enough to be considered locals.
Originally Posted by Oscar
(Post 343448)
what carb?
try adjusting the needle one setting lower with the bigger main jet |
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