BMW R18 Roctane vs Harley-Davidson Low Rider Comparison

Engine & Performance

Displacement	1802 cc	1745 cc
Maximum Power	90 hp	--
Fuel Tank Capacity (litres)	16 L	18.9 L
Maximum Torque	158 Nm	145 Nm
No. Of Strokes	4-Stroke	4-Stroke
Valves Per Cylinder	4	4
Compression Ratio	9.6:1	10.0:1
Drive Type	Shaft Drive	Belt Drive
No. Of Cylinder	2	2
Clutch Type	Single Disk Dry Clutch	--
Engine Type	Twin Cylinder, 8 Valves, 4-Stroke, Oil Cooled Engine	2 Cylinder, Air-Cooled, Milwaukee-Eight, 4-Valve
Exhaust Pipes	Dual Exhaust	Dual Exhaust
Cooling System	Liquid Cooled	Air Cooled
Bore X Stroke	107.1 mm x 100 mm	100 mm x 111.1 mm
RPM at Maximum Power	4750 rpm	--
RPM at Maximum Torque	3000 rpm	3000 rpm
Injection Type	--	Indirect Injection
Valve Configuration	--	DOHC
Lubrication System	--	Wet Sump

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Dimension

Category	Cruiser	Cruiser
Wheel Base	1719 mm	1630 mm
Width	982 mm	--
Seating Capacity	1	2
Seat Height	720 mm	690 mm
Ground Clearance	--	130 mm
Dry Weight	--	287 kg
Length	--	2355 mm

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Fuel & Ignition

Ignition System	Twin-Spark Ignition	CDI
Start Option	Electric	Electric
Fuel Type	Petrol	Petrol
Fuel Supply System	--	EFI

Chassis & Suspension

Front Suspension	Telescopic Fork	Telescopic Fork
Rear Suspension	Swing Arm	Mono Shock

Wheels & Tyres

Front Tyre	120/70 R21	110/90 R19
Tyre Type	Radial, Tubeless	Radial, Tubeless
Rear Tyre	180/55 R16	180/70 R16
Front Wheel Size	R21	R19
Rear Wheel Size	R16	R16

Electrical

Battery Voltage	12 V	12 V
Battery Capacity	26 Ah	--

Gear & Transmission

Gear Box	6-Speed	6-Speed
Transmission Type	Manual	Manual

Safety & Security

ABS	Yes	Yes
Pass Switch	Yes	Yes
Back Rest	No	No
Leg Guards	No	No
Side Reflectors	Yes	Yes
Launch Control	No	No
Engine Check Warning	Yes	Yes
Riding Modes	Road Road	Street, Road Street, Road
Shutter Lock	No	No

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Console

Odometer	Digital Digital	Digital Digital
Speedometer	Analog Analog	Analog Analog
Display Screen	Yes	Yes
Tripmeter	Yes	Yes
Navigator	--	No
Tachometer	--	Yes
Side Stand Indicator	--	Yes
Oil Change Indicator	--	Yes

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Brake

Front Brake	Dual Disc Dual Disc	Disc Disc
Rear Brake	Disc Disc	Disc Disc

Chassis & Suspension

Body Frame Type	Double Loop with Bolted Beams Double Loop with Bolted Beams	Dual Cradle Dual Cradle
Body Frame Material	Steel Steel	Steel Steel
Side Wings	No	No
Seat Type	Single Seat Single Seat	Dual Stepped Dual Stepped
Chrome Garnish	--	Yes

Electrical

Indicator Light	Yes	Yes
Adjustable Headlights	Yes	Yes
Head Lamp	LED LED	LED LED
Tail Lamp	--	LED LED

Differentiating Features

Height Adjustable Seats

--

Yes