CX50 OI.
The 2008 Cobra CX50 OI is the perfect beginner race bike for both the oil injection class and the 4-6 class. These will be in limited quantity for 2008, so get one while you can!
 

MSRP: $2,298
Plus freight, prep fees and applicable taxes

2008 Specifications:

Dry Weight:	79 lbs
Engine:	Morini 50cc 2-stroke
Bore x Stroke:	39mm x 41.7mm
Induction:	Case Reed 12mm carb
Cooling:	Water cooled
Clutch:	3-Shoe
Transmission:	Single-speed auto
Exhaust:	Tuned pipe and silencer
Lubrication:	Oil Injection
Frame:	Double Cradle 4130 ChrMo Steel
Wheelbase:	908mm
Seat Height:	559mm
Ground Clearance:	192mm
Front Brakes:	Adjustable Drum
Rear Brakes:	Hydraulic Disk (140mm)
Front Suspension:	Marzocchi 32mm 140mm travel
Rear Suspension:	Öhlins 150mm travel
Wheel Front / Rear:	10” Cast Aluminum 10” Cast Aluminum
Tires Front / Rear:	2.5x10 / 2.5x10