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2010 Hyosung ST7 First Look

Discussion in 'The Okie Corral' started by Smashy, Mar 11, 2010.

  1. Smashy


    Likes Received:
    Jan 22, 2007
    Southwestern Oregon
    Hyosung Motors, the largest motorcycle manufacturer in Korea, is looking to make its presence felt in the entry-level cruiser market with the introduction of its 2010 ST7.

    Sourcing a liquid-cooled 90-degree V-Twin, the ST7 pistons will work in a good-sized bore for its class at 3.21 in. and 2.56-in. stroke. The 678.2cc mill compresses its gas/air mixture at a 11.5:1 ratio (the 2010 Honda Shadow Phantom we recently tested has a 9.6:1 compression ratio). The fuel-injected 90-degree V-Twin is claimed to produce 62 hp @ 8,000 rpm and 47 lb-ft @ 7,500 rpm. If these numbers are true, beside its high compression ratio, the ST7 will be a high revving engine for its class as well. The Honda Phantom Shadow we dynoed that sources a larger 745cc engine was good for 35.6 hp @ 5,600 rpm and 39.8 lb-ft of torque at @ 4,400 rpm.


    The Hyosung 2010 ST7 has comparable styling cues to its Japanese counterparts, which the Korean company identifies as its immediate competition. The ST7’s fuel tank is wide and voluminous for an entry-level cruiser at 4.7 gallons and in true classic cruiser fashion its speedo and gauges sit in a chrome tank-mounted console. The front end has a traditional 41mm telescopic fork set at a healthy 33-degree rake angle while the rear features Dyna-style, preload adjustable double shocks. Its classic lines are completed by a set of meaty tires that are enveloped by large, sweeping fenders. An attractive set of dual pipes streaking down its right side completes an overall stylish cruiser platform.

    Forward-mounted foot controls, a 27.2 in. seat height, and broad pullback handlebars should leave riders in a familiar cruiser riding position. The leather seat appears to be contoured and well-padded, and a small leather pillion and passenger footpegs means it’s capable of bringing a friend along for the ride.


    Completing the powertrain package is a five-speed transmission and a belt final drive. To rein in the action, a 300mm single disc with hydraulic 4-piston calipers provides the stopping power up front while a 270mm disc with a hydraulic pin slide 2-piston caliper does the job out back. A claimed curb weight of 505 lbs means its 16.5 lbs more svelte than the Honda Shadow Phantom and combined with its generous 6.1 inches of ground clearance should add up to a cruiser that is light handling and doesn’t scrape pegs easily when tilted into turns.


    Hyosung also plans on releasing a touring capable variation called the ST7 Deluxe. It will come equipped with a tall windscreen, saddlebags, floorboards and a heel/toe shifter. The ST7 Deluxe will also have better passenger accommodations including a backrest and a pillion footrest. The final upgrades include a new tank panel and engine guards.


    The ST7 is based on Hyosung’s popular performance GV650 platform which sports more of a V-Rod look.

    “Consumers and industry people alike were very impressed with what out GV650 offered. Still, there was a call for a classically styled version of our popular cruiser. We answered it,” said Hyosung Regional Sales Manager, Brian Rose.

    Consumers will have a choice of three different colors, black, red or white. The 2010 ST7 is priced at $7,299 and comes with a two-year warranty.

    Hyosung Motors America Inc. is a division of S& T Motors. Since 1978, S&T Motors has been committed to advancing motorcycle technologies to meet or exceed its customers’ demands. It established Hyosung Motors America in 2005 and ventured into the US market expanding from simple and efficient commuting bikes into the highly competitive recreational market.

    Engine: 678.2 cc liquid-cooled 90 degree V-Twin
    Bore/Stroke: 81.5mm x 65mm
    Compression Ratio: 11.5:1
    Valve Train: DOHC, 8 valves
    Fuel System: Fuel Injection
    Transmission: Five-speed
    Final Drive: Belt
    Rake (Caster Angle): 33 degrees
    Trail: 5.59 in.
    Front Suspension: Conventional 41mm telescopic
    Rear Suspension: Hydraulic dual shocks with preload adjustability
    Front Brake: Single disc with floating four-piston caliper
    Rear Brake: Single disc with twin-piston caliper
    Front Tire: 120/80/16
    Rear Tire: 170/80/15
    Wheelbase: 66.54 in.
    Seat Height: 27.17 in.
    Fuel Capacity: 4.75 gal.
    Curb Weight (claimed, wet): 538 lb
    Colors: Black, Red, White
    MSRP: $7,299
  2. USMCsilver

    USMCsilver Boat Life ©

    Likes Received:
    Oct 8, 2001
    Middle of SC
    Hmmm... This one looks almost better than the new Ninjas:


  3. chris in va

    chris in va

    Likes Received:
    Jan 25, 2005
    Louisville KY
    Friend of mine has/had a Hyosung 250 'cruiser'. It was alright, but had lots of cheap parts on it. He rode it everywhere though.

    Personally I'd rather find a used Honda or something instead of dropping $8k on that.
  4. Isaiah1412


    Likes Received:
    May 12, 2009
    Abingdon, Maryland
    Hyosung makes a lot of the component parts for the big 3 Japanese manufacturers. They are still working out the kinks with their complete bikes though. I'm friends with a guy who is a local dealer for them, he says they're good but not real consistent. He gets a lot off the truck with minor issues (slack brake cables, not going into certain gears). Every bike he sells gets a thorough going over before it hits the floor, and he almost never has any come back except for routine service. So apparently once you get past the little things they're solid.
  5. #1glocker19

    #1glocker19 venivedivici

    Likes Received:
    Apr 22, 2005
    Street price on that bike will be well below msrp.
  6. HollowHead

    HollowHead Firm member

    Likes Received:
    May 16, 2005
    Where the buffalo roam
    I own a Hyosung GT-250 as a kick-around bike and it's a blast. It's more fun to ride a low-powered bike at or past it's limits than it is to try and ride a bike designed for a rider better than you. HH
  7. fnfalman

    fnfalman Chicks Dig It

    Likes Received:
    Oct 23, 2000
    Tejas, US
    The problem with Hyosung is that their bikes' quality aren't all that great and the price doesn't reflect the lower quality. If they price themselves significantly cheaper than the Japanese bikes and then turn out bikes of dubious quality, that's one thing. But pricing a bike that's barely $500 less than the Rising Sun's product while the quality is one tier lower...that ain't gonna cut it.