Wonjan

**Zorge** · 05-24-2015, 07:57 AM

Originally Posted by MJH

GN350 cylinder volume: stroke 61.2MM` bore 84.5MM = actual displacement 343.2cc
Maximum power: 24KW/8000r/min
Maximum torque: ?Nm/5500r/min

Whoa! It is more than 12 mm increased bore, comparing to stock 250 cc. Nicely done.

**Zorge** · 05-24-2015, 08:03 AM

And again, there is also phased out GS 500 twin engine...

**MJH** · 05-24-2015, 11:53 AM

Originally Posted by Zorge

And again, there is also phased out GS 500 twin engine...

Suzuki has a plant in Columbia that make the GS500, it is sold for about $6,000.00USD.

They also make these 150 models…15 hp Gixxer, retail @ $2,500.00 USD

**Cardillac** · 05-25-2015, 07:44 PM

If you take a look at

http://wonjanmotorcycle.com/product/...-bike/gn250-b/

you can read, that gn250-b - and gn250-c as well - have electronic fuel injection. But if you look at the pictures of these bikes, they seem to have fuel delivery by carburettors. In my opinion contradictory information. What do you think is true.

**MJH** · 05-26-2015, 07:50 AM

They sell an EFI version in China, http://motor.newmotor.com.cn/GN250C3761/
I do not think you can import those into Europe, none have taken any initiative to put the models through the process for emissions certification for the EU. Doing so, would be economically prohibitive, the wholesale prices out of the factory too high, the demand for such a model too low to justify importing and distributing in the EU.
The wholesale price they are requesting is around 1800 USD, the retail prices in China are about 2800 USD. That is only a 1k margin, to get a unit from China to the customer and support it, just not economically sustainable.
The wholesale price would need to be lower, closer to 1500.00 per unit and the retail price in the EU closer to 3k, but the B and C designs are not likely to be popular, the GN250-B is homely and the C version not much better.
The Big Boy version is much more design neutral and could be modified to be much more popular.

**MJH** · 05-26-2015, 08:02 AM

Here are their advertised engines, which makes you wonder if the have brought the 300cc single to production?

**Zorge** · 06-26-2015, 05:33 PM

New "Borile" B 300 CR with Chinese GN engine bored out to 300 cc. "Wonjan's" engine?

"...quattro-mille-otto-cento-cinquanta-euro..."

And to all "Tuttomoto" fans: Nico is still alive!!!

Gosh, I really miss "La prova di Nico".

**MJH** · 06-27-2015, 09:21 AM

I was wondering about Wonjan and why they do not sell the engines, they likely do and only to other manufacturers. What they do not do is sell single engines at retail. I would assume that Wonjan will only sell the engine to a partner or subsidiary, as with Qingqi.

The Borile is likely getting the GN from Wonjan or Loncin? I would say they are getting the engine from Loncin...different starter and different case covers reveal that, it has the case cover of the LX250-7. The displacement of 290cc and dual exhaust as in the T-Rex.

**MJH** · 06-27-2015, 09:33 AM

Quanto fanno questi costi ? Its engine is Ducati?

**Zorge** · 06-27-2015, 12:59 PM

Quanto costa un' piccolo orgasmo!?

Oh, man, your Italian is worst than my English. By far!

Looks that you are right - I keep forgetting that "Loncin" too makes GN clones. Good for "Loncin"!

About "Borile" 450 engine: as I understand, they took "Ducati's" rear AC cylinder, piston, and SOHC desmo head and all that fitted to new crankcase with extactable gears (dunno know whay they emphasize that) and "Weber-Marelli" injection. Because of the engine layout, tank and air filter changed places.

And "quanto costa" this thing? I believe, more than 10K euros.