| Maximum Power | 38.5 hp (28.7 kW) at 3,600 RPM | 35.0 hp (26.1 kW) at 3,600 RPM | 34.5 hp (25.4 kW) / 3600 rpm | 31.0 hp (23.1 kW) at 3,600 RPM | 30.5 hp (22.4 kW) / 3600 rpm | 29.5 hp (22.0 kW) at 3,600 RPM | 27.0 hp (20.1 kW) at 3,600 RPM | 25.5 hp (19.0 kW) at 3,600 RPM | 25.5 hp (19.0 kW) at 3,600 RPM | 24.5 hp (18.3 kW) at 3,600 RPM | 23.5 hp (17.5 kW) at 3,600 RPM | 22.0 hp (16.4 kW) at 3,600 RPM | 20.5 hp (15.3 kW) at 3,600 RPM | 19.0 hp (14.2 kW) at 3,600 RPM | 16.5 hp (12.3 kW) at 3,600 RPM | 15.5 hp (11.6 kW) at 3,600 RPM |
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| Maximum Torque | 57.8 ft-lbs (78.4 N·m) at 3,200 RPM | 56.0 ft-lbs (75.9 N·m) at 2,600 RPM | 50.4 ft-lbs (68.2 N·m) / 3600 rpm | 53.9 ft-lbs (73.0 N·m) at 2,400 RPM | 48.6 ft-lbs (65.9 N·m) / 2600 rpm | 48.3 ft-lbs (65.5 N·m) at 2,600 RPM | 45.6 ft-lbs (61.8 N·m) at 2,400 RPM | 40.1 ft-lbs (54.4 N·m) at 2,800 RPM | 45.8 ft-lbs (62.0 N·m) at 2,200 RPM | 46.5 ft-lbs (63.0 N·m) at 2,200 RPM | 39.7 ft-lbs (53.8 N·m) at 2,400 RPM | 39.3 ft-lbs (53.2 N·m) at 2,200 RPM | 39.0 ft-lbs (52.9 N·m) at 2,200 RPM | 32.5 ft-lbs (44.0 N·m) at 2,200 RPM | 32.2 ft-lbs (43.6 N·m) at 2,000 RPM | 31.7 ft-lbs (42.9 N·m) at 1,800 RPM |
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| Displacement | 999 cc (61.0 cu. in.) | 999 cc (61.0 cu. in.) | 822 cc (50.2 cu. in.) | 999 cc (61.0 cu. in.) | 822 cc (50.2 cu. in.) | 852 cc (52.0 cu. in.) | 852 cc (52.0 cu. in.) | 726 cc (44.3 cu. in.) | 852 cc (52.0 cu. in.) | 852 cc (52.0 cu. in.) | 726 cc (44.3 cu. in.) | 726 cc (44.3 cu. in.) | 726 cc (44.3 cu. in.) | 603 cc (36.8 cu. in.) | 603 cc (36.8 cu. in.) | 603 cc (36.8 cu. in.) |
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| Dry Weight | 153.7 lbs (69.7 kgs) | 138.0 lbs (62.6 kgs) | 138.9 lbs (63.0 kg) | 138.0 lbs (62.6 kgs) | 138.9 lbs (63.0 kg) | 131.6 lbs (59.7 kgs) | 124.0 lbs (56.4 kgs) | 110.6 lbs (50.1 kgs) | 124.0 lbs (56.4 kgs) | 124.0 lbs (56.4 kgs) | 101.4 lbs (46.0 kg) | 101.4 lbs (46.0 kgs) | 101.4 lbs (46.0 kgs) | 89.7 lbs (40.7 kgs) | 89.7 lbs (40.7 kgs) | 89.7 lbs (40.7 kgs) |
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| Oil Capacity w/filter | 2.0qt (1.9 liter) | 2.0 U.S. qt (1.9 liters) | 2.2 quart (2.1 liter) w/oil filter change | 2.0 U.S. qt (1.9 liters) | 2.2 quart (2.1 liter) w/oil filter change | 2.4 U.S. qt (2.3 liters) | 2.4 U.S. qt (2.3 liters) | 2.2 U.S. qt (2.1 liters) | 2.4 U.S. qt (2.3 liters) | 2.4 U.S. qt (2.3 liters) | 2.2 U.S. qt (2.1 liters) | 2.2 U.S. qt (2.1 liters) | 2.2 U.S. qt (2.1 liters) | 1.8 U.S. qt (1.7 liters) | 1.8 U.S. qt (1.7 liters) | 1.8 U.S. qt (1.7 liters) |
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| Fuel Delivery System | Sequential multi-port fuel injection | Twin barrel carburetor with fuel shut-off solenoid | High-pressure fuel injection technology with electric fuel pump | Twin barrel carburetor with fuel shut-off solenoid | High-pressure fuel injection technology with electric fuel pump | Sequential multi-port fuel injection | Twin barrel carburetor with fuel shut-off solenoid | Sequential multi-port fuel injection | Twin barrel carburetor with fuel shut-off solenoid | Twin barrel carburetor with fuel shut-off solenoid | Carburetor with fuel shut-off solenoid on electric start models | Carburetor | Carburetor with fuel shut-off solenoid on electric start models | Carburetor with fuel shut-off solenoid on electric start models | Carburetor with fuel shut-off solenoid on electric start models | Internally vented carburetor |
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