APRILIA SR 50 R Factory | ARCH MOTORCYCLE 1S |
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engine specs | |
Type | |
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liquid-cooled, single cylinder, 2-stroke | S&S Cycle T124 45-degree downdraft fuel-injected V-Twin engine |
Displacement | |
49 cm3 | 2032 cm3 |
Bore X Stroke | |
1.6x1.5 in OR 41 mm | - |
Compression Ratio | |
12:1:1 | - |
Horsepower | |
4/6500 KW(hp)/RPM | - |
Torque | |
4/0 lb-ft/RPM OR 5/0 Nm/RPM | 115.3/- lb-ft/RPM OR 156/- Nm/RPM |
Fuel System | |
Dell'Orto carburettor 17.5 mm | EFI |
transmission specs | |
Gearbox | |
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automatic CVT | 6-speed |
Clutch | |
Automatic centrifugal dry clutch | Compact dry clutch |
Primary Drive | |
v belt | - |
Final Drive | |
- | Chain |
chassis specs | |
Frame | |
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split single cradle frame in high tensile strength steel tube | Tubular steel frame with CNC-machined aluminum subframe single-sided swingarm |
Front Suspension | |
telescopic hydraulic fork | Fully adjustable ARCH/Öhlins FGRT series fork |
Rear Suspension | |
engine unit acting as swingarm, frame linkages on two radial silent block mountings | Fully adjustable ARCH/Öhlins rear shock with reservoir and hydraulic pre-load adjustment |
Front Brake | |
dual 190 mm with racing calliper with 2 opposing pistons, 32 mm | Dual ISR 6-piston monobloc radial mount calipers with ISR floating dampened discs |
Rear Brake | |
dual 190 mm with racing calliper with 2 opposing pistons, 32 mm | Single ISR 4-piston monobloc radial mount caliper with ISR semi-floating disc |
dimension specs | |
Overall Length | |
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73.2 in OR 1859 mm | - |
Overall Width | |
27.8 in OR 706 mm | - |
Seat Height | |
31.3 in OR 795 mm | 31.5 in OR 800 mm |
Weight | |
- | 563 lbs OR 255 kg |
Fuel Capacity | |
1.8 gallons OR 6.8 L | 4.5 gallons OR 17.0 L |
Wheelbase | |
49.6 in OR 1260 mm | 65.4 in OR 1661 mm |
tyres specs | |
Front | |
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130/60 R13 | 120/70-17 Michelin Power RS |
Rear | |
130/60 R13 | 240/45-17 Michelin Power RS |