The Suzuki GS550

Under the radar


| May/June 2008


Suzuki GS550
Years produced:
1977-1978 (1st generation)
Claimed power: 49hp @ 9,000rpm
Top speed: 111mph (period test)
Engine type: 549cc OHC air-cooled inline four
Transmission: 6-speed
Weight: 431lb (wet)
MPG: 42-45
Price then: $1,745
Price now: $750-$2,000

As the last of Japan’s Big Four to introduce 4-stroke engine technology to its lineup, Suzuki clearly appreciated that when it finally went up to bat against the other 4-strokes with the Suzuki GS550, it needed a home run.

There was no question that Suzuki would have to enter the game. While 2-stroke engines had served Suzuki well in a host of road bikes, including the classic 500cc Suzuki Titan twin and the Suzuki GT750 and 550 triples, the buying public was increasingly shunning smoky and often peaky 2-strokes for cleaner-burning, quieter 4-strokes. By 1976, every one of the Big Four except Suzuki was producing a range of 4-stroke fours. Enter the new GS line for 1977.

All new machines with all new drivetrains, the Suzuki GS550 and its big brother, the Suzuki GS750, were Suzuki’s answer to the 4-cylinder, 4-stroke equation that was defining the middleweight and heavyweight classes. Covering its bases, Suzuki also introduced a small-bore, 398cc 4-stroke twin, the Suzuki GS400.

The bigger 750 was an instant hit with buyers and was Cycle World’s pick for its annual Best of Breed in the 750cc class. Reviewers and riders alike raved about the new 750, yet while the smaller Suzuki GS550 was essentially a scaled down 750, it failed to capture the same level of attention, at least from the motoring press.

A better middleweight
It could be that the Suzuki GS550 simply didn’t have enough flash. True, its styling might have been somewhat subdued, but at a claimed 49hp it was no slouch, with quarter-mile times in the sub-14 second range. That put it ahead of Honda’s go-fast looking Honda CB550F Super Sport and ahead of Suzuki’s own GT550 2-stroke, which would be on showroom floors for one more year while Suzuki’s new middleweight 4-stroker established itself. All in all, the new Suzuki GS550 mill was a smooth performer, save for a pronounced buzz at engine speeds above 5,000rpm, unfortunately exactly where it produced the best power.

Ron
5/1/2018 6:07:11 PM

I traded my '76 KZ400 in on the '78 GS550. A whopping increase in comfort and power, it was a great highway bike. Unfortunately, constant oil leaks from the gearshift lever made me re-think Suzuki. I sold it and bought a '82 Honda 900F. Twice the bike, a real road burner and so smooth at any speed up to 200KM/h. Family responsibilities meant it was sold a few years later, but still it was a great bike


Ron
5/1/2018 6:07:03 PM

I traded my '76 KZ400 in on the '78 GS550. A whopping increase in comfort and power, it was a great highway bike. Unfortunately, constant oil leaks from the gearshift lever made me re-think Suzuki. I sold it and bought a '82 Honda 900F. Twice the bike, a real road burner and so smooth at any speed up to 200KM/h. Family responsibilities meant it was sold a few years later, but still it was a great bike


Ed Jemison
11/11/2008 2:03:30 PM

I enjoyed my 1979 GS550E very much. It was very comfortable, good in curves, great looking and the most reliable bike I had ever ridden. Unfortunately I had to sell it in 1980 as we had five children and we needed the extra money at the time. It was my 11th bike since my first at 14 years old a Yamaha Newport 50 and I never thought that I would be without a bike long. Twentytwo years later I bought a 1994 Honda Magna 750 sweet bike. I thought that I would not find a bike that I liked better till I road a 2005 Honda ST1300 and I'm in heaven now at the age of 57. I'm not ever taking motorcycling for granted again. I'm alive fully and wish the weather would improve so I could really enjoy myself.






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