SpecificationSpecificationSpecificationSpecificationSpecificationSpecificationSpecification

S4R Testastretta Specification

CHASSIS

Frame  Tubular steel trellis frame 
Wheelbase  1440 mm / 56.7 in 
Rake  24° 
Front suspension  Showa 43 mm fully adjustable upside-down fork 
Front wheel travel  130 mm / 5.1 in 
Front brake  2 x 320 mm discs, 4-piston 4-pad radial caliper 
Front wheel  Y-shaped, 5-spoke in light alloy 3.50 x 17 
Front tyre  120/70 ZR 17 
Rear suspension  Progressive linkage with fully adjustable Sachs monoshock. Aluminium single-sided swingarm 
Rear wheel travel  148 mm / 5.8 in 
Rear brake  245 mm disc, 2-piston caliper 
Rear wheel  Y-shaped, 5-spoke in light alloy 5.50 x 17 
Rear tyre  180/55 ZR 17 
Fuel tank capacity  14 L (of which 3 L reserve)/ 3.6 US gal (of which 0.8 US gal reserve) 
Weight * 177 kg / 390 lbs 
Seat height  800 mm / 31.5 in Ride height adjuster as standard
Instruments  Electronic panel: speedometer, rev counter, warning light for low oil pressure, indicators for high beam, fuel reserve, turn signals, LCD clock, immobilizer 
Warranty  2 years unlimited mileage 
Body colours (frame/wheels)  Red with white stripe (red/black); Titanium with black stripe (red/black) 
Versions Dual seat 
* = The weight excludes battery, lubricants and, where applicable, cooling liquid. 
 

ENGINE

Type  L-Twin cylinder, 4 valve per cylinder Desmodromic, liquid cooled 
Displacement  998 cc 
Bore x Stroke  100 x 63,5 mm 
Compression Ratio  11.4:1 
Power* 95.7 kw - 130 hp @ 9500 rpm 
Torque* 103.9 Nm - 10.6 kgm @ 7500rpm 
Fuel injection  Marelli electronic fuel injection, 50mm throttle body 
Exhaust  2 aluminium mufflers 
Emissions  Euro3 
 

TRANSMISSION

Gearbox  6 speed 
Ratios  1st 37/15, 2nd 30/17, 3rd 27/20, 4th 24/22, 5th 23/24, 6th 24/28 
Primary drive  Straight cut gears; Ratio 1.84:1 
Final drive  Chain; Front sprocket 15; Rear sprocket 43 
Clutch  Dry multiplate with hydraulic control 
* = Data calculated using an inertia dynamometer