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Thread: Hyosung GT650R - beginner bike?

  1. #1
    Miles of smiles We've stopped counting... asp125's Avatar
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    Hyosung GT650R - beginner bike?

    After much speculation about this bike, the numbers are in. Here's a dyno run of the GT650R, done by MidAmerica Powersports in Independence, MO.

    It looks like peak Hp is just a bit on the far side of 50hp, quite a bit less than the SV650 and just a tad stronger than the Ninja500/GS500 twins. Torque curve looks flat too, around 31lbft, no real peaks and valleys for a newb to contend with.
    Last edited by asp125; 06-22-2006 at 11:24 PM.
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    Flirting With The Redline 2000 Posts! Repeater's Avatar
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    Very nice graphs! Good find.

    I'd really like to ride one of these sometime. By the number, it looks like it's on the very edge of newbie-dom... maybe a tad high for my relatively conservative tastes.

    What's more important is how mangeable the weight is, how quickly it steers, and how friendly the brakes are... I'm sure that info is everywhere, but I haven't heard it from someone's mouth on this site yet.

    I can't find it on Google - do you know offhand what the MSRP on one of these is?
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    Flirting With The Redline 2000 Posts! midknyte's Avatar
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    They are tall in the saddle in the saddle and have an aggressive forward seating position (low clipons). Not good for smaller/shorter new riders... Taller riders? prolly ok.
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    Miles of smiles We've stopped counting... asp125's Avatar
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    From the spec sheets I've seen, the size is about that of an SV 650S. I've yet to find a local dealer so I can't ride my SV down for a side by side comparison.

    Data from www.mapsp.com - Note MSRP just under $6k
    ~~~~~~~~~~~~~~~~~~~~~
    PowerSports Classification
    Type Sportbike
    Make Hyosung
    Model 650GTR
    Year 2005
    Available Colors Black or Red
    MSRP Only $5,999.00
    Warranty 1Year

    Engine
    Description
    • Liquid cooled 90 degree V Twin
    • DOHC, 4 valves per cylinder
    Bore & Stroke 81.5 x 62 mm
    Displacement 647cc
    Battery Type 12 VDC
    Compression Ratio 11.6:1
    HP
    • 79 claimed HP @ 9000 RPM at the Crankshaft
    • 58.11 Measured True HP™ @9003 RPM on MAPSP FactoryPro Dyno at the rear wheel
    Torque
    • Claimed 50 ft lbs @ 7600 RPM at the Crankshaft
    • Measured 36.33 ft lbs at 79.98 RPM
    Fuel System 39mm Mikuni
    Exhaust System Two into one single outlet Sport Exhaust
    Intake System 4 Valves per Cylinder Hydraulic Chain Tensioner
    Ignition System Electronic
    Ignition Timing 5 degrees BTDC at 1500 RPM
    Charging System Altenator
    Starting System Electric

    Chassis Information
    Frame Type Ducati like perimeter frame using twin tubes per-side braced with two vertical brackets at mid-length
    • The engine is hung solidly from the inside and used as a stressed member.
    • The welds are first class and the worksmanship is superb.
    Front Suspension 41mm Upside Down Telescopic Forks
    • Adjustable Dampening with 120 mm travel
    Rear Suspension Mono Shock Swing Arm, 100 mm travel with preload adjust
    Front Braking System Twin 300mm discs up front squeezed by Dual-piston calipers
    Rear Braking System Single 230mm disc with Dual-piston calipers
    Front Tires & Rims
    • Bridgestone Battlax 120-60 ZR17
    • 17 x 3.50 inch Cast Wheel
    Rear Tires & Rims
    • Bridgestone Battlax 160-60 BT56R
    • 17 x 5.50 inch Cast Wheel

    Dimensions and Measurements
    Length 81.9 inches
    Width 29.9 inches
    Height 44.1 inches
    Seat Height 29.5 inches
    Wheelbase 56.5 inches
    Dry Weight
    • 421.1 lbs as reported
    • Wet Weight measured at MAPSP with a full tank of gas
    • 481 lbs.
    Fuel Capacity
    • 4.5 gallons with 0.7 gallon reserve
    Ground Clearance 5.9 inches
    Rake 85 degrees
    Trail 25.5 mm (1 inches)

    Transmission and Drive Train
    Transmission Description Six-speed transmission mated to a wet, multi-plate clutch.
    Drive Train 530 Chain

    ~~~~~~~~~~~~~~~~~
    The numbers seem to indicate a lower seat height than my SV @31.5"
    Dry weight of 421 is heavier than the SV's 386
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    Flirting With The Redline 4000 Posts! Logan's Avatar
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    Quote Originally Posted by asp125
    HP
    • 79 claimed HP @ 9000 RPM at the Crankshaft
    • 58.11 Measured True HPĀ™ @9003 RPM on MAPSP FactoryPro Dyno at the rear wheel

    Torque
    • Claimed 50 ft lbs @ 7600 RPM at the Crankshaft
    • Measured 36.33 ft lbs at 79.98 RPM

    HP at the crank is meaningless. BrakeHorsepower is the best indicator, which I guess is about the same as True HPA.
    One of those HP values are pure BS, No way will the bike lose 26% of it's HP between the crank & the rear wheel.

    Also, they measured a lot of torque at LESS THAN 100RPM
    Of course the 1st graph shows max torque at 80,000RPM
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  6. #6
    Contributor We've stopped counting... Chuck's Avatar
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  7. #7
    Miles of smiles We've stopped counting... asp125's Avatar
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    Thanks Chuck... looks like I should drop by Erico...
    When life throws you curves, aim for the apex
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    08 Spyder RS SM5 "big Bird" \ 12 S'TtripleR "stripper" \ 02 VFR800 "big red" \ 09 KLX250-S
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  8. #8
    Quote Originally Posted by Logan
    HP at the crank is meaningless. BrakeHorsepower is the best indicator, which I guess is about the same as True HPA.
    One of those HP values are pure BS, No way will the bike lose 26% of it's HP between the crank & the rear wheel.
    Brake horsepower is not the same thing as wheel horsepower - it just means that they used a brake type dyno rather than an innertial dyno. While a brake type dyno can be more accurate in some cases, brake type chassis dynos for motorcycles are pretty rare. It's very rare to see the term "brake horsepower" used to describe anything other than the horsepower at the crank.
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  9. #9
    Contributor We've stopped counting... Chuck's Avatar
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    Quote Originally Posted by asp125
    Thanks Chuck... looks like I should drop by Erico...
    No problem. Glad to help.

    I've been researching this company for a while now and still trying to make a decision. I'm looking at the GV650 (cruiser) as a first bike, but I'm not sure if 70HP is too much for a first bike.

    In other countries, they offer a restricted version that is rated at 35ish HP. They use carb slides to restrict it. The US version doesn't have this...I kinda wish it did. At least you could get comfortable with it then after a few hundred to a thousand miles, you could de-restrict it and it would be like getting a whole new bike.

    anyway, what do you guys think? Is 70HP too much for a first bike?


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  10. #10
    Hittin' The Twisties Ricochet's Avatar
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    That's an interesting idea.....a Jeckyl & Hyde bike for newbies

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