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Oengus · 11-09-2010, 01:06 AM

http://www.yingangmotor.com/

YG250NF
25hp@9000 rpm
16lb ft of torque @8000 rpm
top speed 87mph
30.7 inch seat height.
weight 322 lbs

EngineModel YG170MM
EngineType 1-Cylinder, 4-Stroke, water-cooled
Displacement(ml) 250
MaxPower(kw/r/min) 19/9000
MaxTorque(NÂ·m/r/min) 22/8000Â±500
Idling Speed(r/min) 1500
Consumption(g/(kWÂ·h)) â‰¤354
Cylinder Diameter * Stroke(mm) 70Ã—65
Operating cubage of the cylinder(ml) 250.2
Compression Ratio 11ï¼š1
Ignition CDI
Spark Plug Model TORCHC9EH
Carburetor Model PZ30V
Lubricating Capacity(L) 1.6
Petrol Type 90ï¼ƒ
Clutch Manualã€Coil Clutch
Starter Electric
Lubrication Pressure Splashing
Transmission 6 speed
NetWeight(kg) 39
Packing Size(LÃ—bÃ—h) 460Ã—395Ã—575

Notice that the engine is stamped with Shineray on it, I would say that the engines used on the Shineray motorcycles are manufactured by Yingang.

The water cooled DOHC 4-valve is a copy of a Honda NX250 engine.
http://en.wikipedia.org/wiki/Honda_NX250

That engine 170MM can be found on several Chinese motorcycles.

11-09-2010, 01:06 AM	#1
Oengus Join Date: Oct 2009 Posts: 826	YinGang http://www.yingangmotor.com/ YG250NF 25hp@9000 rpm 16lb ft of torque @8000 rpm top speed 87mph 30.7 inch seat height. weight 322 lbs EngineModel YG170MM EngineType 1-Cylinder, 4-Stroke, water-cooled Displacement(ml) 250 MaxPower(kw/r/min) 19/9000 MaxTorque(NÂ·m/r/min) 22/8000Â±500 Idling Speed(r/min) 1500 Consumption(g/(kWÂ·h)) â‰¤354 Cylinder Diameter * Stroke(mm) 70Ã—65 Operating cubage of the cylinder(ml) 250.2 Compression Ratio 11ï¼š1 Ignition CDI Spark Plug Model TORCHC9EH Carburetor Model PZ30V Lubricating Capacity(L) 1.6 Petrol Type 90ï¼ƒ Clutch Manualã€Coil Clutch Starter Electric Lubrication Pressure Splashing Transmission 6 speed NetWeight(kg) 39 Packing Size(LÃ—bÃ—h) 460Ã—395Ã—575 Notice that the engine is stamped with Shineray on it, I would say that the engines used on the Shineray motorcycles are manufactured by Yingang. The water cooled DOHC 4-valve is a copy of a Honda NX250 engine. http://en.wikipedia.org/wiki/Honda_NX250 That engine 170MM can be found on several Chinese motorcycles.
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