Hey Spud, have you seen this Yamaha?

[Weldangrind]

I came upon this while perusing an interesting resource. www.allballsracing.com has a fork conversion tool, and it tells you all of the bikes that could donate front forks for your specific bike, and it gives you the bearing coversion numbers as well. It does not take stem length, fork length or steering stops into account; that's up to the builder.

Anyway, in the process I learned about the Yamaha AG200. It sure looks like it could be the engine source for Spud's Zong. Spud's engine is much like a TW200 without the extra long countershaft, and the AG200 has a more conventional rear tire than a TW.

What do you think?

http://static.productreview.com.au/pr.products/79310_yamaha_ag200.jpg

[FastDoc]

As the pointed eared one would say, "Fascinating". 8)

It's a pre-partially-Spudified TW. :D

Sounds like a good website too, BTW.

[SpudRider]

Yes, I am familiar with the Yamaha AG200, Weld. ;) I believe the AG200 in your photograph employs an XT200 engine. The XT200 engine block is the precursor for a lot of engines in Yamaha motorcycles:

XT200
AG200
TW200
XT225
TT-R225
TT-R230

The XT200 was kickstart only, with a 5-speed transmission. The AG200 in your photographs seems to have the XT200 engine. ;) The TW200 added a longer countershaft and an electric starter. The latest TW200 engines have dropped the kick starter. The XT225, TT-R225 and TT-R230 engines increased cyclinder bore and stroke for a larger displacement of 223 ccs, and added a 6-speed transmission. The AG200 was sold in Australia and some other places, but was never for sale in the United States.

Spud :)

[FastDoc]

Holy pistons Batman! 8O

Don't try to teach Spud anything about Yamazongs!

If there was a PhD in Yamazongology we's have to call him SpudDoc! 8)

[SpudRider]

Holy pistons Batman! 8O

Don't try to teach Spud anything about Yamazongs!

If there was a PhD in Yamazongology we's have to call him SpudDoc! 8)
:lol:

I know you can hear The Collective calling you. ;) Return to The Collective, Billcutus of Zong. 8)

http://i442.photobucket.com/albums/qq146/spudrider/20K%20Loop%20to%20Malad/Anim_resist.gif

Spud :P

[FastDoc]

I LOVE your Zong Brother Spud. I'm happy to ride it when I can! 8)

[Pliskin]

This bike is sold in Australia as agricultural bike.
I've seen it here at local Yamaha dealer. Engine looks identical to Zongs.

Here is the link to the website if curious.
http://www.yamaha-motor.com.au/products/motorcycle/offroad/agricultural/09-ag200e

[Weldangrind]

Thanks for the link, Pliskin. The current version sure looks like a Zong engine, replete with a kicker and electric start.

http://www.yamaha-motor.com.au/sites/yamaha-motor/files/imagecache/lightbox/AG200ElectricEtched_0.jpg

To my knowledge, that's the only production Yamaha engine that is a bolt-in swap for the Zong, right down to the displacement.

[SpudRider]

This bike is sold in Australia as agricultural bike.
I've seen it here at local Yamaha dealer. Engine looks identical to Zongs.

Here is the link to the website if curious.
http://www.yamaha-motor.com.au/products/motorcycle/offroad/agricultural/09-ag200e
Indeed, the current engine in the AG200 appears to be identical to the engine in our Zongs. ;) Thanks for posting the link, Pliskin! :D

Spud :)

[SpudRider]

Thanks for the link, Pliskin. The current version sure looks like a Zong engine, replete with a kicker and electric start.

To my knowledge, that's the only production Yamaha engine that is a bolt-in swap for the Zong, right down to the displacement.
I think you're correct, Weld. ;) The AG200/Zong engine is basically an XT200 engine with an electric starter added to it. All of the following engines share the same engine block, and can be easily mounted in the other motorcycles.

XT200
AG200
TW200
XT225
TT-R225
TT-R230
Zongshen 200GY-2

The extra-long countershaft in the TW200 engine is the only factor which prevents compatibility with the other motorcycles. ;)

I wouldn't be surprised if Zongshen manufactures the AG200 engine for Yamaha. ;) Both engines share these common features.

Electric starter with backup kick starter
196cc engine displacement
5-speed transmission

If I could find a good deal, I would be sorely tempted to bolt one of the following engines in my Zong. By doing so I would gain an additional 27cc of engine displacement, and a sixth gear. ;)

XT225
TT-R225
TT-R230

Spud :)

[SpudRider]

Incidentally, the AG200 uses a BS26 carburetor. The Zongshen 200GY-2 employs a Teikei MV28 carburetor, which is virtually identical to the carburetor employed by the currrently manufactured, Yamaha TW200. The Zong also shares the same air box as the TW200. ;)

Here's another point of Zong trivia. ;) While I was performing the top end rebuild of my Zong's engine at 31,500 miles, I needed to remove the flywheel/magneto to replace the camshaft chain. At that point I noted my Zong employs the same magneto as the Yamaha XT225/TT-R225, which is different from the TW200 magneto. ;)

I wonder if the AG200 employs the XT225 magneto? :?: The Zongshen engine is pure Yamaha, and is a very well built engine at that. :) If the AG200 engine also employs an XT225 magneto, these two engines would indeed appear to be identical. ;)

Spud :)

[2LZ]

WHHOOOAAA!
The side stand is on the right side?!?
You never mount a horse from the right side!

[Pliskin]

WHHOOOAAA!
The side stand is on the right side?!?
You never mount a horse from the right side!
It has 2 kickstands one on each side.

[SpudRider]

If you place a chock/riser under one of the two kickstands, the two kickstands will also function as a centerstand. :D Changing the rear tire, lubricating the drive chain, et cetera, is much easier with a centerstand. ;)

Spud :)

[SpudRider]

The Yamaha AG200 is also sold in South Africa. :)

http://www.southafricabike.com/yamaha-ag200/

The link above describes the Yamaha AG200 in this fashion.

"Some of the special features that give the AG series models their great toughness and utility are the extra large front and rear carriers, a clutch lock lever, guards, and two side kick-stands.

The unprecedented size of the carriers makes them useful for a wide range of jobs. The clutch lock frees the left hand for other tasks during short stops, and the lever guards increase utility by protecting the hands during bush riding.

Large kickstands fitted on both sides of the machine make for more stable parking.

Designed and built for hard work the AG models boast such features as an engine guard, dustproof/waterproof drum brakes front and rear, and a chain case, all of which further increase reliability and durability. Add to this a rugged frame, and an engine that delivers extra strong torque in the low speed range, and you have a machine that will get you through when the going gets rough.

The AG series models are machines that provide the mobility and reliability you need, no matter what the job."

Spud :)

[AGman]

Sorry to dig up an old thread but I am the owner of a few of these old barges (AG200) so if anyone wants any more specific info about them then maybe I can help. One other difference that isn't mentioned here is that it has an all up, 5 speed gearbox, neutral is right at the bottom for ease of use for farmers.

Here's the service manual for those interested.

https://hotfile.com/dl/237867402/5c8de0f/AG200F_1997-3gx-ae1.pdf.html

And various supplements for later models....

https://hotfile.com/dl/237867728/29af48f/AG200F_03_3GX-AE2.pdf.html

https://hotfile.com/dl/237867943/01bcd3c/AG200_08_3GX-28197-E3.pdf.html

Cheers

[Weldangrind]

Thanks for the info!

[SpudRider]

Welcome to these forums, Agman! We are glad you joined us. :)

[AGman]

Thanks for the welcome everyone. Pleasure posting info on these machines, particularly in this case the engine. Thank you to SpudRider for your great write-ups on your bike, very informative.

I get to see these engines in probably their most extreme environment...farmer use! Very few engines get past twenty thousand kms here due to extreme neglect. Starter clutches, timing chains, cylinder base gaskets and needle jet wear are the biggest afflictions to the engines in this environment. If serviced regularly they will do twice this no problems and if you put a decent RK timing chain in it they go forever!

Here's one I'm fixing at the moment showing good use of those twin stands! :)

http://i1226.photobucket.com/albums/ee415/Mitutoyo2/AG200_zpsa02d1f52.jpg (http://s1226.photobucket.com/user/Mitutoyo2/media/AG200_zpsa02d1f52.jpg.html)

[katoranger]

Farm use like this farm truck. Note herbicide tank in backseat. This is how most of the equipment at this farm looks. :D

[SpudRider]

I love the twin side stands. :tup: This Yamaha, air cooled engine is a wonderful, reliable power plant. :)

[SpudRider]

Farm use like this farm truck. Note herbicide tank in backseat. This is how most of the equipment at this farm looks. :D
:lol:

[FastDoc]

The twin stands are a great idea. Lighter than a centerstand with less clearance loss but not as easy to deploy.

[Pliskin]

Welcome to the forum AGman. :hi:

If serviced regularly they will do twice this no problems and if you put a decent RK timing chain in it they go forever!
Thank you for the above links. Do you know how often are you suppose to replace timing chain? I am close to 27,000km. :hmm:

[AGman]

Welcome to the forum AGman. :hi:


Thank you for the above links. Do you know how often are you suppose to replace timing chain? I am close to 27,000km. :hmm:

Thanks for the welcome.

Keep an ear on it, keep an eye on the tensioner. It really depends on how you treat the bike and how often you service it.

When it's worn you will hear it rattling around in there...do you ride an Ag200?

[SpudRider]

Welcome to the forum AGman. :hi:


Thank you for the above links. Do you know how often are you suppose to replace timing chain? I am close to 27,000km. :hmm:
The cam chain only costs $12 at Taobao. ;) Therefore, I suggest your replace the cam chain when you rebuild the top end of the engine. You are probably good for another 10,000-15,000 miles. ;)

[Pliskin]

When it's worn you will hear it rattling around in there...do you ride an Ag200?
Thanks a lot AGman. No rattling on mine. I ride Zongshen 200gy-2 same like Spud's.

The cam chain only costs $12 at Taobao. ;) Therefore, I suggest your replace the cam chain when you rebuild the top end of the engine. You are probably good for another 10,000-15,000 miles. ;) Thank you Spud. :) What would we do without Taobao. ;)

[SpudRider]

You can also buy the cam timing chains on eBay. ;)

http://www.ebay.com/itm/YAMAHA-TW-200-TW200-Trailway-1987-2003-EK-Camshaft-Timing-Cam-Chain-/400407374131?pt=Motorcycles_Parts_Accessories&fits=Model%3ATW200&hash=item5d3a23a933&vxp=mtr

http://www.ebay.com/itm/TSUBAKI-CAM-SHAFT-TIMING-CHAIN-YAMAHA-TW200-87-96-/330925588963?pt=Motorcycles_Parts_Accessories&hash=item4d0cb3c1e3&vxp=mtr

http://www.ebay.com/itm/YAMAHA-TW-200-TW200-Trailway-1987-2003-Camshaft-Timing-Cam-Chain-CYC-Alpha-/400472296777?pt=Motorcycles_Parts_Accessories&fits=Model%3ATW200&hash=item5d3e024d49&vxp=mtr

http://www.ebay.com/itm/Tsubaki-Cam-Chain-259804-Yamaha-/400436365465?pt=Motorcycles_Parts_Accessories&fits=Model%3ATW200&hash=item5d3bde0899&vxp=mtr

[Pliskin]

Thanks Spud for the links, you are a wealth of information. :tup:

[AGman]

Thanks for the info Spud. For less than $15, its probably better value just throwing a timing chain at these bikes after every few services.

Having said this, RK chains are defiantly stronger and they have one piece, machined rollers. Under normal use they would last (at least) 4 times longer than the cheap originals.

I will add a photo to this post tonight when I get home. After I pick up another trashed AG from a local dealer. :)

[Weldangrind]

Wow! How many AG's do you have?

I'm tempted to try an RK cam chain on my TW next time.

[SpudRider]

How much do the RK cam chains cost?

[humanbeing]

Cam chain's spec is 25H 104L
D.I.D. http://www.ebay.com/itm/350614518619

[SpudRider]

Thank you for posting the great link to the best deal for a D.I.D. cam chain which fits the Zong/TW200! :tup:

[AGman]

This is more like I'm used to with these bikes...muffler held on by wire, no brakes, seized forks, chain enclosure missing, trashed swing-arm pivot, timing chain so worn its come off the crank, oil filter is so clogged you can see the brass mesh start to suck in with the oil pressure, I'd be surprised if its ever had an oil change. The best designed engine in the world doesn't stand a chance when the owner is a moron.

To Weldangrind, I currently have two complete bikes and numerous parts.

To Spudrider I will get back to you on a price for the chain...I have a friend who has a big roll of it and we just make them up as we need them.

Cheers


http://i1226.photobucket.com/albums/ee415/Mitutoyo2/AG2009813_zps16e3f957.jpg (http://s1226.photobucket.com/user/Mitutoyo2/media/AG2009813_zps16e3f957.jpg.html)

[Weldangrind]

That looks like every bike that has followed me home. I'm a sucker for the hard-life bikes.

Thanks for the excellent RK info! :)