New to this forum but a long time owner of a wonderful gv125
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Hi Everyone,
I have been a long time owner of a 2012 hyosung gv125. It’s a bit tired now and is in the process of getting rebuilt at the minute so i thought i’d join to get some advice and see if i can source some replacement parts for things that i’m unable to rebuild.
Currently the biggest thing that is holding me back is that it seems to be running lean, seemingly, because of leaking intake boots. I was thinking of using some rubber cement to fill any gaps (by taking the boots off and pulling a vaccum through them, so the glue is sucked into the gaps) but any advice would be fantastic.
Thank you all!
David~
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Welcome sir!
I’ve seen people on foreign forums even using “push bike inner” rubber tube and wrapping the inlet around with it.
We do repair intake pipes but in reality my cnc guy does all that and he has his own secretive ways but sometimes some boots are difficult beyond economic repair as they just fall apart , this doesnt help when people are using E10 fuel. Not just hyosungs.
So we’re slowly not going to bother with that and try to make metal versions (he does cnc stuff for this shop) so i trust him, it will be half-metal and half rubber because the rubber potion has a notch inside to hold the carb down and sit firmly in the grooves. I am digressing.
I would say what you’re doing may be a temp fix until a better set comes along , but there is also the issue of the “glues, epoxies , etc” being safe for high heat , constant flow of petrol down them from the carbs , etc …. EPDM Rubber has a funny meaning for a reason “Extremely Problematic Durable Material” lol
Also the bike tube thing seems to be what others do (not just hyosungs) until a nice set of intakes come along.
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Hi Marcel,
I’ve seen that before, alongside heatshrink too. I’m going to get together with my uncle in the next few days and see what he says.
I agree with a repair on them being temporary. I used to mess around with all sorts of glues and fixings trying to find ways to make things last longer (poor family!) and they never do last much longer, it’s just about knowing what’ll make things last until you’re able to get things replaced. I’ve heard a fair bit about the metal intake pipes on facebook (may be the same guy, i’m not sure) and I’m looking forward to what he’ll be able to achieve. I certainly don’t mind being a guinnea pig if i can help in any way.
as for e10, I refuse to use it in a carby bike. My old car had so many troubles with the switchover and that was rated for it, so i don’t like the idea of running that haha. Probably would be fine in an EFI bike but yes.
Thanks Marcel!
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