VOR SM503

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File:VOR-SM503.jpg
VOR SM503
Manufacturer
VOR
Production 2001
Engine
Four stroke, single cylinder, SOHC. 4 valves per cylinder.
Compression ratio 11.2:1
Ignition SEM electronic with 140W alternator
Spark Plug NGK CR 7RK / NGK CR 8RK, advance: 32º
Transmission 3 Speed
Frame Perimetral frame, CrMo, Oval cross-section spars, aluminum rear frame
Suspension Front: Progressive system upside down fork, Paioli Kayaba 46 mm
Rear: Single progressive hydraulic Öhlins shock absorber, low-high speed adjustable preload extension and compression
Brakes Front: Single 320 mm disc, 4 piston caliper
Rear: Single 220 mm disc, 2 piston caliper
Front Tire 120/70-17
Rear Tire 150/60-17
Wheelbase 1485 mm / 58.5"
Seat Height 920 mm / 36.2"
Weight 115 kg / 254 lbs (dry),
Fuel Capacity 9 Liters / 2.4 US gal
Manuals Service Manual



Engine[edit | edit source]

The engine was a Liquid cooled cooled Four stroke, single cylinder, SOHC. 4 valves per cylinder.. The engine featured a 11.2:1 compression ratio.

Drive[edit | edit source]

Power was moderated via the 8 sintered-plate + 7 metallic-plate in oil bath.

Chassis[edit | edit source]

It came with a 120/70-17 front tire and a 150/60-17 rear tire. Stopping was achieved via Single 320 mm disc, 4 piston caliper in the front and a Single 220 mm disc, 2 piston caliper in the rear. The front suspension was a Progressive system upside down fork, Paioli Kayaba 46 mm while the rear was equipped with a Single progressive hydraulic Öhlins shock absorber, low-high speed adjustable preload extension and compression. The SM503 was fitted with a 9 Liters / 2.4 US gal fuel tank. The bike weighed just 115 kg / 254 lbs. The wheelbase was 1485 mm / 58.5" long.

Photos[edit | edit source]

VOR SM503

Overview[edit | edit source]

VOR SM 503




Make Model VOR SM 503
Year 2001
Engine Type Four stroke, single cylinder, SOHC. 4 valves per cylinder.
Displacement 503 cc / 30.7 cu in
Bore X Stroke 95 x 71 mm
Compression 11.2:1
Cooling System Liquid cooled
Induction Dell'Orto PHM 38Z5
Ignition SEM electronic with 140W alternator
Starting Electric and Kick
Spark Plug NGK CR 7RK / NGK CR 8RK, advance: 32º
Clutch 8 sintered-plate + 7 metallic-plate in oil bath
Transmission 3 Speed
Final Drive Chain
Gear Ratios 1st 18:28 / 2nd 21:26 / 3rd 23:24
Frame Perimetral frame, CrMo, Oval cross-section spars, aluminum rear frame
Front Suspension Progressive system upside down fork, Paioli Kayaba 46 mm
Front Wheel Travel 260 mm / 10.2"
Rear Suspension Single progressive hydraulic Öhlins shock absorber, low-high speed adjustable preload extension and compression
Rear Wheel Travel 295 mm / 11.2"
Front Brakes Single 320 mm disc, 4 piston caliper
Rear Brakes Single 220 mm disc, 2 piston caliper
Front Tire 120/70-17
Rear Tire 150/60-17
Dimensions Length: 2120 mm / 83.5"
Wheelbase 1485 mm / 58.5"
Ground Clearance 330 mm / 13.0"
Seat Height 920 mm / 36.2"
Dry Weight 115 kg / 254 lbs
Fuel Capacity 9 Liters / 2.4 US gal
Engine Oil Capacity 1.4 Liters / 3.0 US pts