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(605) 721-7355
Mount Rushmore Motorsports
450 E Disk Drive, Rapid City, SD 57701
450 E Disk Drive, Rapid City, SD 57701
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(605) 721-7355
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2026 1390 Super Duke R
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2026 1390 Super Duke R
Specifications
ENGINE
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Engine Type
V Twin
Engine Stroke
4-Stroke
Bore (in)
4.33
Stroke (in)
2.8
Displacement (cc)
1350
Horsepower (bhp)
190
Compression Ratio
13.2:1
Torque (Ft Lbs)
107
Torque (Nm)
145
Torque RPM
7000
TRANSMISSION
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Transmission
Standard
Transmission Type
Manual
Primary Drive (Rear Wheel)
Chain
Number Of Speeds
6
Overdrive
Yes
Primary Drive (Engine / Transmission)
Gear
TECHNICAL SPECIFICATIONS
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Wheelbase (in)
58.7
Ground Clearance (in)
5.9
Ground Clearance (mm)
149
Dry Weight (lbs)
442
Fuel Capacity (gal)
4.6
Fuel Capacity (l)
17.5
Engine Displacement to Weight (cc)
3.1
Wet Weight (lbs)
468.5
Wet Weight (kg)
212.5
SUSPENSION
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Front Suspension Type
Inverted Fork
Front Suspension Size (in)
1.9
Front Travel (in)
4.9
Rear Suspension Type
Single Sided Swing Arm
Rear Travel (in)
5.5
Number Rear Shock Absorbers
1
Front Suspension Brand Name
WP
Rear Suspension Brand Name
WP APEX
WHEELS & TIRES
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Front Wheel Width (in)
3.5
Rear Wheel Width (in)
6
Front Tire Width
120
Front Wheel Diameter
17
Rear Wheel Diameter
17
Front Tire (Full Spec)
Michelin® Power GP 120/70 ZR17
Rear Tire (Full Spec)
Michelin® Power GP 200/55 ZR17
Rear Tire Width
200
Front Tire Aspect Ratio
70
Rear Tire Aspect Ratio
55
BRAKES
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Front Brake Type
Dual Hydraulic Disc
Front Brake Diameter (in)
12.6
Rear Brake Type
Hydraulic Disc
Rear Brake Diameter (in)
9.5
Color options
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Orange