Motor gone bad

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Motor gone bad

Post  Kaupy1962 on Sat Feb 02, 2013 7:07 pm

I know this is a Bandit site guys but I need some help. 2 Days ago my youngest son was riding home from work and was just passing a couple of trucks on the freeway when the front piston decided it didn't want to be part of the engine anymore and promptly left the motor through the crankcase just like that little alien did on the movie. The bike blew oil all over both wheels and put him within millimetres of going under one of the trucks. Luckily he remembered what I taught him and he pulled the clutch in and let it roll to a stop. What I'm asking is for you guys to maybe keep an eye out for either a HYOSUNG GT650r or 650 Aquilla engine that's in tact and going cheap.

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Re: Motor gone bad

Post  sb1250 on Sat Feb 02, 2013 9:02 pm

Glad your young bloke is ok mate. I'll keep an eye out for you. Have you tried Vic M/C wreckers? They're not cheap, but you'll get some sort of warranty.

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Re: Motor gone bad

Post  NZspokes on Sat Feb 02, 2013 9:23 pm

Do you know what caused it? Im building a GT650 Hyobag as a track day bike. Everybody has told me the motors on them are pretty tough.

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Re: Motor gone bad

Post  madmax on Sun Feb 03, 2013 7:38 am

Isn't the Hyosung 650 motor based on the SV650 motor? could you use one of those instead?

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Re: Motor gone bad

Post  Kiwisteve on Sun Feb 03, 2013 1:30 pm

Yes, it is based on the sv650 motor. To look at they're the same. Hyosung was building suzuki scooters for suzuki for a number of years, then decided to build a road bike that used the suzuki sv650 motor. Then they built their own motor for the bike.

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Re: Motor gone bad

Post  Sloth_27 on Sun Feb 03, 2013 4:44 pm

How many km's were on the engine. That's a serious failure for a modern bike to have, quite unusual I would think.

You can buy a whole bike for $3000
www.bikesales.com.au/private/details/hyosung-gt650-2004-13928681?

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Re: Motor gone bad

Post  Kaupy1962 on Sun Feb 03, 2013 7:29 pm

sb1250 wrote:Glad your young bloke is ok mate. I'll keep an eye out for you. Have you tried Vic M/C wreckers? They're not cheap, but you'll get some sort of warranty.
No mate not yet. Will be doing some ringing around in the next weeks

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Re: Motor gone bad

Post  Kaupy1962 on Sun Feb 03, 2013 7:30 pm

NZspokes wrote:Do you know what caused it? Im building a GT650 Hyobag as a track day bike. Everybody has told me the motors on them are pretty tough.

No idea what caused it. It happened without warning.

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Re: Motor gone bad

Post  Kaupy1962 on Sun Feb 03, 2013 7:32 pm

madmax wrote:Isn't the Hyosung 650 motor based on the SV650 motor? could you use one of those instead?

Not sure. There are some differences so I'd hate to buy one and find out it won't fit.

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Re: Motor gone bad

Post  Kaupy1962 on Sun Feb 03, 2013 7:34 pm

Just found a 2010 motor Low ks for $990. Also a 2011 bike with 236 ks on it for $2300, repairable writeoff

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Re: Motor gone bad

Post  sb1250 on Fri Feb 08, 2013 6:20 pm

How'd ya go mate, any progress?

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Re: Motor gone bad

Post  Kaupy1962 on Sat Feb 09, 2013 3:59 pm

sb1250 wrote:How'd ya go mate, any progress?

Picking up the bike in the morning. Just haven't had a chance to scope the wreckers yet. Hope to find something though.


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Re: Motor gone bad

Post  Kaupy1962 on Wed Mar 20, 2013 11:24 pm

Finally found a motor for the son's Hyosung. Had a good look at the damage done to his motor. I can stick my fist in the hole. The piston has gone. No marks in the bore. The conrod has smashed the starter motor to pieces and then bounced back into the gearbox and stayed there. Should have the new one soon.

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Re: Motor gone bad

Post  madmax on Thu Mar 21, 2013 7:06 am

Kaupy1962 wrote:The piston has gone. No marks in the bore. The conrod has smashed the starter motor to pieces and then bounced back into the gearbox and stayed there.

That'll just buff out....

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Re: Motor gone bad

Post  Kaupy1962 on Thu Mar 21, 2013 8:22 am

madmax wrote:
Kaupy1962 wrote:The piston has gone. No marks in the bore. The conrod has smashed the starter motor to pieces and then bounced back into the gearbox and stayed there.

That'll just buff out....

Yeah the bore will, but the rest of the motor is destroyed. Hopefully pay for the new one today and get it shipped.


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