KymcoForum.com
Scooters - 125 to 300 => Yager GT 200i => Topic started by: flying old guy on January 25, 2021, 01:45:24 PM
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Seems like a really good engine with fuel injection and liquid cooled and plenty of power. Does anyone know if this engine has just faded away or could it have been used in any other scooters. ?
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If anyone on here knows, my money is on Viper254
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I never knew they built a 200cc water cooled. I know the current 200 is only 163cc and air cooled FI
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and to add something I discovered yesterday, while flipping through the online version of my service manual....the 163cc (always wondered where they came up with that oddball size) motor is a bored out version of the Kymco 125cc. Exact same stroke but larger bore on the 163.
I was also unaware that this motor was available in a liquid cooled version? I don't think that is accurate...I believe the liquid cooled Kymcos started at 250cc...but could be wrong..
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just did a search for Yager GT 200i and one of the spec sheets says liquid cooled...never knew Kymco liquid cooled these engines..
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just did a search for Yager GT 200i and one of the spec sheets says liquid cooled...never knew Kymco liquid cooled these engines..
We both learned something new .
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My 2012 Yeager is a GT 200i as listed. The actual displacement is 174cc as spec sheets seem to say. It is liquid cooled and fuel injected. Looks like the model was produced from 2009--2012. was just wondering if it was used elsewhere? Thanks, Ernie
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My 2012 Yeager is a GT 200i as listed. The actual displacement is 174cc as spec sheets seem to say. It is liquid cooled and fuel injected. Looks like the model was produced from 2009--2012. was just wondering if it was used elsewhere? Thanks, Ernie
It looks like the Downtown 200i in 2012 and 2013 used the liquid cooled motor but it looks like 205cc.
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It's a version of the first generation Honda SH 150 engine with a big bore kit. SYM uses it, and so does Keeway. Solid engine, not much performance.
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It's a version of the first generation Honda SH 150 engine with a big bore kit. SYM uses it, and so does Keeway. Solid engine, not much performance.
Can confirm that for the engine as used in the Keeway. The word that first springs to mind to describe my son's 125cc Keeway is "gutless".
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Thanks for the reply. I have looked all over the internet and am unable to find where Keyway ever used this engine. Could I ask where you found this? Just to be clear, The engine although called a 200 is actually 174.5 cc. Also the engine is fuel injected and liquid cooled. As I said I'm searching all over and cannot find another scoot that uses this engine. Any help would be great, Thanks, Ernie
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Thanks for the reply. I have looked all over the internet and am unable to find where Keyway ever used this engine. Could I ask where you found this? Just to be clear, The engine although called a 200 is actually 174.5 cc. Also the engine is fuel injected and liquid cooled. As I said I'm searching all over and cannot find another scoot that uses this engine. Any help would be great, Thanks, Ernie
I have heard the same as KymcoRockr stated: the Yager ('Frost' in Canada) motor is a Honda SH150 with a big bore kit. I heard this from the guy who runs 'scooterpartsco'.
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The air-cooled small Kymcos all use variations on the Chinese GY6 base. The smaller models (50cc to 100cc) are usually called the "QMB39" unit. The bigger blocks (125cc to175cc) are usually referred to as the "GY6" units. The block and crank come in two versions with different cylinder attach bolt spacings (attached image is the "large" cylinder. Online you can find the cylinder/piston pairs with different bores. There's only 2 choices. You just need to match the cylinder head with the new cylinder/piston combo. If you can't make a match, then buy the cylinder/piston unit and a matching cylinder head. There's two models of cylinder head based on different valve lengths. It all makes sense once you get into it.
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I have a Racing king 180cc that I bought new in 2013 that might be the same size engine as the advertised 200. Very good engine, water cooled and have had zero problems. Kymco just came out with a new 180 KRV that supposed to have an independent swing arm like that found on motorcycles. The 180cc has all the power you need here in Taiwan, yet there are many larger.
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Here in Italy my Grand Dink 150 has 151ccm and same liquid cooled setup like the Grand Dink (Grand Vista ex Europe) 250 elsewhere.
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The air-cooled small Kymcos all use variations on the Chinese GY6 base.
Wrong. Kymco invented the engine. The Chinese "borrowed" it. PGO and SYM also use the engine.
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I've always understood it as Honda was the one who created the basic architecture of the GY6 and then the Chinese / Taiwanese companies copied and tweaked it for use and have ever since.
from Wikipedia (take it for what it's worth..)
"The GY6 engine design is a four-stroke single-cylinder in a near horizontal orientation that is used on a number of small motorcycles or scooters made in Taiwan, China, and other southeast Asian countries. It has since become a generic technology. Kymco went on to produce Honda clones such as the Pulsar (CB125), made to Honda standards, as part of their range.
24- The four stroke engine for 125cc scooters. Honda's KCW125 (the commercial name in Japan is "Spacy") was modified by Taiwan's Kwang Yang Motor Co., Ltd. (KYMCO), under Honda's consultancy, and became a standard model called the GY6 which various Taiwan makers imitated and minor-changed. Apparently, vehicles of this model were imported from Taiwan by various manufacturers and traders, and spread mainly in the southern coastal regions of China.
Source link: https://ir.ide.go.jp/?action=repository_action_common_download&item_id=40179&item_no=1&attribute_id=26&file_no=1
"
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Kymco invented the engine. The Chinese "borrowed" it. PGO and SYM also use the engine.
Every Kymco I've owned has been made in China with either QMB39 or GY6 power, except for my most recent Sento 100 which has a genuine Kymco Taiwan SG20 engine, the same engine as used in the Kawasaki KFX ATV. The Chinese Kymcos are much easier to maintain than the Taiwan units since the parts are cheap and plentiful. Never seen a PGO or Sym scooter, although I've heard of them.
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Never seen a PGO or Sym scooter, although I've heard of them.
Never seen a PGO, but Sym sell very well over here in the UK.
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Never seen a PGO, but Sym sell very well over here in the UK.
Looked hard at the SYM line - was really liking the SYM 200i.
We had one local 'dealer' - who had purchased a number of them (most of the line at the time) - then the financial collapse came - and he found himself stuck with them. His mechanic quit, the secretary quit, the shop closed down and he moved his stock into a new garden shed. They were pristine and very nice to look at tucked away into his shed - next to his rural HVAC company.
As bad as I wanted a SYM to be my first scooter - I finally decided to look elsewhere - some place with a mechanic, electricity, etc.!
I believe that finally a scooter shop in Columbus bought his stock. By then I was riding a LIKE200i.
Followed the SYM forum for a few yrs....
Stig
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Bet you’d like the look of this one sold here then Stig?:
https://bikes.motobank.co.uk/blog/post-134/5da5ab2411972.jpg
Rest of the range follows the trend for lots of angles!
https://www.symuk.co.uk/model/2023-sym-jet-x-125cc-715
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Bet you’d like the look of this one sold here then Stig?:
https://bikes.motobank.co.uk/blog/post-134/5da5ab2411972.jpg
Rest of the range follows the trend for lots of angles!
https://www.symuk.co.uk/model/2023-sym-jet-x-125cc-715
I that the Fiddle?
I always thought they looked as small as a Vino and a Metropolitan......but maybe they are bigger?
Stig
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I that the Fiddle?
I always thought they looked as small as a Vino and a Metropolitan......but maybe they are bigger?
Stig
Yes the 200i marketed here as the Fiddle III daft name! On double checking, looks like it’s no longer in their model range here. 🙁