Why is everyone against the gy6 swap?

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Dio89Elite
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Re: Why is everyone against the gy6 swap?

Post by Dio89Elite »

graphite9 wrote:The way i see it is I will get 65mph easily with just a variator and an air filter. Plus a rear disk, and a real size wheel and tire on the rear for under $500 for everything. I like a challenge mostly. :)

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...and that right there is a pretty decent budget build. :)
Hope you'll start a build thread for it and if so, I'll be looking forward to reading about your build. :thumbwink:
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Re: Why is everyone against the gy6 swap?

Post by eliteguy50 »

Given a choice, the Ruckus guys go for a Elite 4t or big Rival engine before the GY6. GY6 is just available at every street corner. Aka them how many miles they ride. Most serious riders I've talked to replace their GY6 annually. Where the GET riders don't have to.
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kingkamehameha
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Re: Why is everyone against the gy6 swap?

Post by kingkamehameha »

graphite9 wrote:I see the weight difference reason. Its 35lbs heavier. Fabrication for me is a breeze. I'm pretty sure half the stuff we use to build our dio motors come from tiawan and china. So you can't argue that. I have a buddy who has been running his Chinese scoot with no exhaust whatsoever. And he has been beating the life out of it for 5 years. Still runs. The ruckus guys do it, and must like it. Just strange this crowd is against it.

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The only thing on my bike from taiwain is my carb/mani and exhaust. I dont run cheap taiwain crap unless its a exhaust. Im currently working on getting the full malossi carb set up
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Mystic
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Re: Why is everyone against the gy6 swap?

Post by Mystic »

what model is that china scooter? does it have the double headlights with a metal grill over it? if so wanna sell some of the plastic?? :D
1986 Spree/ Eve af16 swapped 65cc Prodigy vari 8g 9:1 Ruima gears
21mm OKO 42/100 32:1 45mph kymco zx exhaust
1994 Elite S 17.5mm Arreche, Daytona reeds, SEF ramp, pump plugged :D
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noiseguy
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Re: Why is everyone against the gy6 swap?

Post by noiseguy »

Going to steal the front disk setup while you're at it?
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steffen707
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Re: Why is everyone against the gy6 swap?

Post by steffen707 »

noiseguy wrote:
graphite9 wrote:No pm's no hurt feelings here. Everyone's entitled to their own opinions. Calling 4 strokes in general, boring, is ignorant. The gy6 will also be supplying me with a rear disk setup. :)

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That's good.

I think calling 4-strokes boring is flippant, rather than ignorant.

Be careful with that rear brake...
I'm curious, what you meant by be careful with that rear brake. What's wrong with it?
87 Honda Spree,
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92 Yamaha Jog -> Stock.
05 Kymco Super 9-> My cruiser
xx Honda Gyro -> Man I gotta fix that.
98 Honda Elite S -> corsa, pg long, 24mm oko, ct chrome, ZX trans w/ ruckus variator, trailtech vapor gauges
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Mystic
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Re: Why is everyone against the gy6 swap?

Post by Mystic »

Stopping suddely with rear disk brake can cause you to skid :P
1986 Spree/ Eve af16 swapped 65cc Prodigy vari 8g 9:1 Ruima gears
21mm OKO 42/100 32:1 45mph kymco zx exhaust
1994 Elite S 17.5mm Arreche, Daytona reeds, SEF ramp, pump plugged :D
1987 Elite SE50 af16 swapped
1989 Elite E SB50p
2003 Yamaha Zuma
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steffen707
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Re: Why is everyone against the gy6 swap?

Post by steffen707 »

Mystic wrote:Stopping suddely with rear disk brake can cause you to skid :P
Ahh, you mean going from a drum to a disk you might not be ready for the increased stopping power?

I've got a kymco super 9 with disk brakes in the front and rear and i've never skidded. :)
87 Honda Spree,
XX Yamaha YSR50
92 Yamaha Jog -> Stock.
05 Kymco Super 9-> My cruiser
xx Honda Gyro -> Man I gotta fix that.
98 Honda Elite S -> corsa, pg long, 24mm oko, ct chrome, ZX trans w/ ruckus variator, trailtech vapor gauges
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zuphilius
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Re: Why is everyone against the gy6 swap?

Post by zuphilius »

He's sticking with the front drum.
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steffen707
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Re: Why is everyone against the gy6 swap?

Post by steffen707 »

The brake levers are independent of each other, so it doesn't matter what his front brake is, he still can only squeeze it as hard as he use to before locking it up.

He only needs to adapt his rear braking feel so he doesn't lock up the rear.

Or is there a phenomenon I don't know about with drum front and discount rear?
87 Honda Spree,
XX Yamaha YSR50
92 Yamaha Jog -> Stock.
05 Kymco Super 9-> My cruiser
xx Honda Gyro -> Man I gotta fix that.
98 Honda Elite S -> corsa, pg long, 24mm oko, ct chrome, ZX trans w/ ruckus variator, trailtech vapor gauges
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zuphilius
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Re: Why is everyone against the gy6 swap?

Post by zuphilius »

No, what you just said. Adapting to having a rear disk while retaining the front drum.
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Re: Why is everyone against the gy6 swap?

Post by Bear45-70 »

steffen707 wrote:The brake levers are independent of each other, so it doesn't matter what his front brake is, he still can only squeeze it as hard as he use to before locking it up.

He only needs to adapt his rear braking feel so he doesn't lock up the rear.

Or is there a phenomenon I don't know about with drum front and discount rear?
Under normal braking the front does 85% of the stopping, hence the best brake should be in front, ie the disc.
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steffen707
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Re: Why is everyone against the gy6 swap?

Post by steffen707 »

I agree it would be better to have the disc brake up front but he just lucked out with the swap already having a disc in the rear.
87 Honda Spree,
XX Yamaha YSR50
92 Yamaha Jog -> Stock.
05 Kymco Super 9-> My cruiser
xx Honda Gyro -> Man I gotta fix that.
98 Honda Elite S -> corsa, pg long, 24mm oko, ct chrome, ZX trans w/ ruckus variator, trailtech vapor gauges
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noiseguy
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Re: Why is everyone against the gy6 swap?

Post by noiseguy »

Really, you don't want to overpower the rear brake... conventional wisdom from motorcycles. If you skid, then let off the brake, you can high-side the bike.

All that said, scooter weight distribution is much more biased rear than a typical motorcycle (rider farther rearward, engine farther back). Either way, just be careful with it until you get the hang of it. Do some panic stops and get a sense of when the lockup is about to occur.
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ottoman
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Re: Why is everyone against the gy6 swap?

Post by ottoman »

I think you will really enjoy the GY6 swap.
I put one in a Elite last winter and its much nicer to ride (IMHO) than the stock or the later 82cc AF16 it replaced.
Better low end power... perfectly happy to idle around all day if you want... nice for regular street riding and better mileage to boot! Factor in no premixing and its a win win to me.
Totally stock GY6 with a pipe and aftermarket air filter and its surprisingly quick.
Run it pretty much daily since spring with no issues so far.
I have a ministroker Elite and a GY6 Elite and I enjoy the GY6 more... hardly drive the 2 stroker anymore.
I run a rear drum brake setup motor so I cant comment on the rear disk setup.
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