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GSX 750 R


Suzuki GSX 750 R 1989

Stock # AMGP739

Engine Suzuki

4Strokes – 195 KG


Top seller! Bought a GP moto2 front wheel in perfect condition and very fast shipping to the netherlands! Will do business again in the future.

Engine Suzuki

4Strokes – 195 KG

- Km

112 hp - 750 cm3





1989 Suzuki

GSX 750 R

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+34 938 36 49 11

Information & Specifications


The Suzuki GSXR 750 was one of the most important sport bike  of the GSXR series from the Japanese manufacturer Suzuki in 1989. It remained largely unchanged through its production. New chassis design, engine revisions and body work. Introduction of a new short-stroke version of the oil-cooled engine, now displacing 748 cc. Engine had 73 mm bore and 44.7 mm stoke and could achieve higher engine speeds (13,000 rpm redline indicated, but rev limited engaged at 12,500 according to the Suzuki shop manual). Internal engine dimensions changed to accommodate the new bore and stroke. This engine used larger valves and carburetors than previous years. Mikuni model BST36SS carbs were 36 mm diameter and featured vacuum operated slides. The slide cross section resembled the shape of a slingshot. A four spring clutch was used on the short stroke motor . New styling, and twin black silencers. Wheels were now a 17-inch (430 mm) diameter, three spoke design and used a 160/60VR17 in the rear and 120/70VR17 in the front. Slingshot graphic first appeared on the bodywork. Forks now used a cartridge design and were 43 mm in diameter. The second generation model was heavier than the first but had a stiffer frame and more power.

The 1988 Suzuki GSX-R750 was examined and changed, from the engine to the chassis: The fairing was redesigned for 5.7% less frontal projection and 11% lower drag. Shortened 1400mm wheelbase, lightweight aluminium alloy frame with 45mm box tube main section and the cast swing arm pivot offered 60% more ridity. Front fork stanchion tubes were increased to 43mm diameter with variable damper adjuster type inner rods. Full floating rear suspension with new linkage and needle bearings for smoothness. Opposed 4 piston brake calipers, new weight-saving hollow-typecast wheels and wide Michelin radial tyres.

The distinctive air-cooled with SACS engine received larger diameter oil hose and less restrictive joints for 20% increase in the coolant flow and the large 15 row cooler improved the cooling efficiency by 48%. The red line started at 13,000 rpm. Engine bore and stroke changed from the previous 70 x 48.7mm to shorter stroke 73 x 44.7mm to reduce reciprocating motion mechanical loss.

The new Slingshot carburetors were equipped with lightweight throttle valves for increased throttle responsiveness. Another important addition was the incorporation of SACI (Suzuki Condensed Air Intake) system bringing fresh air from ducts on the front of the fairing to the carburetor intake for maximizing cylinder charging efficiency.

1989 brought about minor changes such as: Modified lower bodywork, changes to graphics and silver exhaust silencers, the exhaust manifold now featured small chamfers on the collector for increased ground clearance, change to the rear shock mounting geometry and front fork length to improve ground clearance. Gear ratio revisions in 3rd, 4th and 5th gears offered improved power control and secondary gear ratio was lowered, together with 5mm increase in the wheelbase, all combining for better sports riding on highways. The brake master cylinder controlled the 4 piston brake calipers featured four-way adjustability. The SACS acronym decal, located on the lower body work of the blue/white models, changed from a diagonal lettering to a straight lettering.

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At Amatumoto Grand Prix Motorbikes, we take pride to have in our stock great exclusive bikes used on the races. That said, we understand that the collector of bikes hobby is enjoyed by some of the most passionate and diverse enthusiasts on the planet.

Detailed Technical Information

More about this bike: Motorcycle in correct condition and working. Rolling Chassis documented in Spain, but on temporary leave. This bike is prepared as usual Classic SBK Classes with top specs permited in usual championships. The rolling chasis mounts a short subframe and reinforced swingarm with seat type RK with Lusk shock absorber links (25mm higher). The front suspension is upgraded with Andreani Misano Evo2 cartridges and rear shock its produced by Ohlins. The brakes are top brands like Brembo/Nissin/Gafer. The engine it’s and standard unit working correctly. However, the bike include a performanced engine (pending to repair). It can be reapired easily with the other engine parts provided with the bike. The carburetors are Yoshimura Mikuni TMR-MJN40 produced magnesium with a value of more than 3000 €, also include jets and needle. The electronics are performanced with a simplified wiring and Ignition to use in competition. Many top parts assembled on the bike to provide a good feeling to top riders in all classic championships. Also, include a lot of parts detailed on the list.

Extra parts included with the bike

– 1 additional fuel tank: standard tank modified to 24 liters and adaptation for quick fill cap.
– Jerry Cane fast Jornet aluminum 24lts in 7”.
– Front and rear stands.
– 2 incomplete GSX 750 R engines
– 1 GSX 750 R engine performanced but damaged (cylinder 3-4) – can be easily repaired with current material for an extra price.
– 1 incomplete GSX 750 R 1990 R. Chassis
– 1 Front fairing.
– 1 Radiator
– 1 set Standard brake calipers
– 1 brand new adjustable handlebar
– various sets of sprockets (ergal)
– 2 sets of std wheels with Galfer discs
– Brake pads
– 1 standard rear shock absorber
– 1  Carburation Set of Yoshimura; jets and needles
– 1 Alternator and starter motor




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