Difference between revisions of "Bimota YB4 IE SP"

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{{Infobox Motorcycle
{{Motorcycle
|name            = '''Bimota YB4 IE SP'''
|name            = Bimota YB4 IE SP
|image            =
|photo=bimota-yb4-ie-sp-1988-1988-0.jpg
|aka              =  
|aka              =  
|manufacturer    = [[Bimota]]
|manufacturer    = Bimota
|parent_company  =
|parent_company  =
|production      = 1988
|production      = 1988
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|predecessor      =
|predecessor      =
|successor        =
|successor        =
|class            = [[Sport Bike]]
|class            = Sport Bike
|engine          = liquid-cooled, four-stroke, transverse four cylinder, DOHC, 5 valves per cylinder
|engine          = liquid-cooled, four-stroke, transverse four cylinder, DOHC, 5 valves per cylinder
|bore_stroke      = 68.6mm x 68.6mm
|bore_stroke      = 68.6mm x 68.6mm
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[[Category:Bimota motorcycles]]
[[Category:Bimota motorcycles]]
[[Category:1980s motorcycles]]
[[Category:1980s motorcycles]]
[[Category:Motorcycles needing images]]

Latest revision as of 20:31, 23 November 2019


Bimota-yb4-ie-sp-1988-1988-0.jpg
Bimota YB4 IE SP
Manufacturer
Production 1988
Class Sport Bike
Engine
liquid-cooled, four-stroke, transverse four cylinder, DOHC, 5 valves per cylinder
Bore / Stroke 68.6mm x 68.6mm
Compression ratio 11.2:1
Horsepower 120.96 HP (90.2 KW) @ 10500RPM
Torque 64.91 ft/lbs (88.0 Nm) @ 8500RPM
Transmission Gear box: 6-speed, manual

Final Drive: chain

Clutch: wet multi-disc, manual
Suspension Front: 42mm telescopic fork
Rear: adjustable mono-shock
Brakes Front: dual 320mm discs
Rear: single 230mm disc
Front Tire 3.50-17
Rear Tire 5.50-17
Weight 180.0 kg (wet)
Manuals Service Manual


The Bimota YB4 IE SP was a liquid-cooled, four-stroke, transverse four cylinder, DOHC, 5 valves per cylinder Sport Bike motorcycle produced by Bimota in 1988. Max torque was 64.91 ft/lbs (88.0 Nm) @ 8500 RPM. Claimed horsepower was 120.96 HP (90.2 KW) @ 10500 RPM.

Engine[edit | edit source]

A 68.6mm bore x 68.6mm stroke result in a displacement of just 749.0 cubic centimeters.

Drive[edit | edit source]

The bike has a 6-speed, manual transmission. Power was moderated via the wet multi-disc, manual.

Chassis[edit | edit source]

It came with a 3.50-17 front tire and a 5.50-17 rear tire. Stopping was achieved via dual 320mm discs in the front and a single 230mm disc in the rear. The front suspension was a 42mm telescopic fork while the rear was equipped with a adjustable mono-shock.

1988 Bimota YB4 IE SP[edit | edit source]

1988 Bimota YB4 IE SP

The 1988 MY Bimota YB4 IE SP has, at its heart, a liquid-cooled, four-stroke, 749cc, transverse four cylinder powerplant mated to a six-speed manual transmission, and can produce a claimed 97 horsepower and 88 Nm of torque.

Standard features include a 42mm telescopic front fork, an adjustable mono-shock as a rear suspension, Brembo brakes with dual discs in the front and a single disc in the rear, a single seat, a full-fairing with a small windscreen, cast-aluminum wheels, plus an analogue instrument cluster.