FS: 1989 Suzuki GSX-R750K – JS1GR77A8K2102000 – 13,240 original miles – $7899.00
This gorgeous 1989 Suzuki GSX-R750K “Slingshot” edition was brought to SUB moto service for a “make run” and ultimately a full restoration. Our service department took it apart, looked it over closely, any parts showing excessive wear and tear were repaired, refinished or replaced. This almost 30 year old GSX-R had held up well. It received a full service, new tires, all fluids were replaced and a complete carburetor rebuild including all rubber internal parts.. The original bodywork was sent out to be professionally inspected for any cracks or weak spots, Then repaired, gas tank cleaned out and everything repainted to exact factory specs even using an NOS Suzuki decal kit! All rubber pads and cushions mounting the tank and bodywork were also replaced. The original white wheels were sent out to be professionally powder coated, we cleaned and re-greased all the wheel bearings, reinstalled and then slipped on a fresh pair of Michelin Pilot Power 2CT’s. This GSX-R750K is not a concourse level restoration and really should be ridden and enjoyed, these are great bikes and a wonderful model series, It will stand out in the crowd, Blue/White combo is always Suzuki’s most popular and this one is a true classic.
We are finishing up some final details and it will be ready to go real soon!
Here’s how TotalMotorcycle.com described this series
1989 Suzuki GSX-R750K
2nd Generation Suzuki GSX-R750: Improving on a legend
New styling smooth and aerodynamic styling with big changes – Bigger valves, new high-lift camshaft, 36 mm contant-velocity semi-flatslide carbs and up rated suspension, wheels and tyres, 73 x 44.7 mm short-stroke motor, thinner piston rings and bigger main bearings. These new changes produced 112 hp at 11,000 rpm and model a dry weight of 195 kg. The lowered ground clearance and the adoption of 17″ wheels which offered only a slim margin of error.
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.
1989 Suzuki GSX-R750 Specifications
Engine Type: 16-valve, 4-stroke, DOHC in-line four
Power: 106.00 HP (79.04 kW) @ 10500 RPM
Torque: 73 N.m (53.8 ft. lbs.) @ 10000 RPM
Displacement: 749.00cc (45.70 cubic inches)
Bore x Stroke: 70.0 x 48.7 mm (2.8 x 1.9 inches)
Fuel System: Carburetion
Ignition: Full Transistor
Cooling System: Air/oil Cooled
Gearbox: 6-speed (1 down, 5 up)
Final Drive: Chain
Dry Weight: 176 kilograms (390 lb)
Seat Height: 755 mm (29.7 in)
Overall Height: 1,200 mm (47.2 in)
Overall Length: 2,130 mm (83.9 in)
Overall Width: 620 mm (24.4 in)
Ground Clearance: 140 mm (5.5 in)
Wheelbase: 1,425 mm (56.1 in)
Front Tire: 110/80-18
Rear Tire: 140/70-18
Front Brakes: Hydraulic twin disc with dual opposed piston calipers
Rear Brakes: Single disc, hydraulic
Fuel Capacity: 19 liters (5.02 gallons)
Colors: White/Blue, Black/Red.
Credits cards accepted, documentation fee $150.00 (negotiable)
Seattle Used Bikes
4905 Aurora Ave N.
Seattle, WA 98103
dave @ seattleusedbikes.com
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