Forums 🚥 PIT STOP 🔧 Hyosung Technical Help [Tutorial] How to swap Carb Main Jets – Hyosung GV & GT 125/250 Reply To: [Tutorial] How to swap Carb Main Jets – Hyosung GV & GT 125/250


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  • Replies: 7
Nov 25, 2018
Points: 50

Quick up date. I have stripped and rebuild my carbs, as I suspected there was a build up of crystallised fuel due to the bike standing for a long time. I replaced the stock main jets with 90 front 92.5 rear. Started the bike first time and much better then before, I let it worm up to clear sny cleaning solutions that may still be in the carb. Took the bike for a test ride but it feels like it’s not fueling correctly. As it splutters them revs back up as it should. I had to replace the fuel line as original lines where perishing, but the fuel line is a little to sma I think. Any ideas to what’s wrong. Everything was free and moving as it should on the carb before putting back on to the bike.

Cheers shane

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