Forums 🚥 PiT STOP 🔧 Hyosung Technical Help Can I use an EFI GT250R engine with carburetors?
- This topic has 7 replies, 3 voices, and was last updated 9 months ago by ♠️ MARCEL.
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Sep 10, 2023 at 11:12 PM #11194
I need to replace a 250cc engine on a carbureted bike, but I only found an EFI engine.
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Sep 11, 2023 at 6:14 AM #11196
There’s no reason it won’t work, they are the same engine the efi stator is a higher output that’s the only thing I can think of. You have the carbs, manifolds, wiring etc should just fit right in.
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Sep 11, 2023 at 11:31 AM #11198
Replace the stator of EFi to Carby Stator , so use your old carby stator
And also use your CARBY flywheel
This is because the EFi flywheel does not work with Carby CDi’sNext thing, use Size 20 pilot jets and 92.5 + 95 main jets
See full tutorial of jetting here
[Tutorial] How to swap Carb Main Jets – Hyosung GV & GT 125/250
Don’t throw away the old 250 engine, you will NEED IT for spare parts in future 🙂
// Meditation doesn't mean you have to sit still....
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Sep 29, 2023 at 6:54 PM #11279
There’s no reason it won’t work, they are the same engine the efi stator is a higher output that’s the only thing I can think of. You have the carbs, manifolds, wiring etc should just fit right in.
Replace the stator of EFi to Carby Stator , so use your old carby stator And also use your CARBY flywheel This is because the EFi flywheel does not work with Carby CDi’s Next thing, use Size 20 pilot jets and 92.5 + 95 main jets See full tutorial of jetting here
[Tutorial] How to swap Carb Main Jets – Hyosung GV & GT 125/250
Don’t throw away the old 250 engine, you will NEED IT for spare parts in future 🙂
Can you give me a hint on how to loosen the flywheel nut? The manual says that I have to lock the connecting rod with something, but I don’t want to remove the cylinder head, cylinder, and piston.
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Sep 30, 2023 at 12:48 PM #11282
I ended up using my power tool; I don’t like those noisy things, but I had no choice.
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Sep 30, 2023 at 6:08 PM #11284
I ended up using my power tool; I don’t like those noisy things, but I had no choice.
We use a tool called “ROTOR” locking tool , as i don’t trust “power guns” near motorcycle engines (too much torque on some of them and a crank is expensive part) ,
it works with clutch baskets too.
// Meditation doesn't mean you have to sit still....
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Jan 12, 2024 at 7:24 PM #12111
Hi, I forgot to mention that the EFI engine worked well with carburetors. I replaced the stator and the rotor to get it running.
Thanks. 😀
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Jan 12, 2024 at 8:24 PM #12112
Thats great. Take care of that motor 🙂
// Meditation doesn't mean you have to sit still....
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