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Thread: Suzuki GR650

  1. #16
    Join Date
    26th May 2005 - 16:53
    Bike
    katzuki
    Location
    Auckland
    Posts
    373
    Here's a picture of my GR650.

    The double disc front-end is off a GS650 which improves the braking considerably over the single disc stock set-up.

    The only other mod I have done is to open-up the airbox and rejet the carbs which I did in conjunction with changing-over the original worn-out carbs with a set I got off ebay.uk. Gives the bike a bit more midrange and top-end punch.

    Otherwise the bike is stock - including paint, seat and pipes/mufflers.

    I have also replaced the clutch and the bike is a honey to ride around town now. The extra flywheel mass at low revs means you can chug (or charge) away from the lights without slipping the clutch - in second!

    I have never seen another GR on the road.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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  2. #17
    Join Date
    13th April 2007 - 18:26
    Bike
    06 scrambler,xrl,
    Location
    In town. Crap
    Posts
    4,155
    Blog Entries
    1
    Good honest bike you got there rogson.
    Bike shop I worked at in Qld in the 80s had one as a loaner/shop hack.
    As you could imagine, every ham fisted Aussie/Kiwi thrashed it as hard as they could, and it just kept going.
    I used to comute on it for a few months, and from what i recall, it had ample power for that roll, and was comfy. It was a pretty good weekend tourer as well. Enjoy.

  3. #18
    Join Date
    26th September 2007 - 13:52
    Bike
    Scorpio
    Location
    Tapu te Ranga
    Posts
    1,471
    I have to confess that it looks like a damn fine bike to me. Showing my age!

    That flywheel-on-a-clutch thing sounds dodgy. Do they break? Do they make a whirring noise when they engage?

  4. #19
    Join Date
    26th May 2005 - 16:53
    Bike
    katzuki
    Location
    Auckland
    Posts
    373
    Quote Originally Posted by Mark Hadfield View Post
    That flywheel-on-a-clutch thing sounds dodgy. Do they break? Do they make a whirring noise when they engage?
    The extra flywheel makes no noise at all, and the transition from engaged to disengaged and back again is seemless. The only evidence it is there is the uncanny "chugging" ability and stall resistance at low revs.

    As regards whether they break or not I can only go by what is posted about the bike on the GR owners forum which doesn't indicate they are prone to breaking or giving any other problems for that matter.

  5. #20
    Good to see you finally got one,I was intrigued when you told me about them,but still haven't seen one in the flesh.Just to prove I researched them,check this one out.
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  6. #21
    Join Date
    13th April 2007 - 17:09
    Bike
    18 Triumph Tiger 1050 Sport
    Location
    UK
    Posts
    3,803
    Nice one!

    Good work.

  7. #22
    Join Date
    29th October 2005 - 16:12
    Bike
    Had a 2007 Suzuki C50T Boulevard
    Location
    Orewa
    Posts
    5,852
    Quote Originally Posted by rogson View Post
    Although, as mentioned in a thread above it is very low geared - 100kph @ 5,000rpm. It could easily pull higher gearing and I have a bigger front sprocket on the way for that..


    My '89 GSX-F600 did 5200 at 100, but was redlined at 12000. What's the redline in yours?

    Any details on the engine type?
    You don't get to be an old dog without learning a few tricks.
    Shorai Powersports batteries are very trick!

  8. #23
    Join Date
    26th May 2005 - 16:53
    Bike
    katzuki
    Location
    Auckland
    Posts
    373
    Quote Originally Posted by Edbear View Post
    Any details on the engine type?
    Parallel twin - 180 degree crank.
    Torque curve is virtually flat from 2500rpm to 6500rpm. Red-lined @ 8500rpm, but there's no point going there - no top-end power.

  9. #24
    Join Date
    22nd January 2009 - 12:45
    Bike
    2008 hayabusa 1988 GR655
    Location
    Northam
    Posts
    1
    Gday guys, Im currently converting a GR650 into a cafe racer, I got past the fuel lag and throttle response by eliminating the airbox completly, and going with 2 K&N 3 inch Cone filters.

    Since I bought it in excellent nick for $1300, Ive lowered the front 2 Inches, cut the rear end away and fabricated a new arse end for the cafe racer seat, relocated all the electrical gear into a fabricated tray under the seat, moved the battery into a new holder in the seat hump, cut all the pegs and brackets away, and had new mounts fabricated and welded for the Yoshimura rearsets, had a custom 2-1 exhaust made up, removed the old guage cluster and replaced it with an acewell electronic unit and general tidy up of the wiring etc.

    Next step is a complete pull down and repaint, might get some work done on the motor, but in general the motor runs well, especially since I have lost almost 30kg of weight etc, will post some photo's soon if you like.

    Also while Im here, MSTriumph, get back to work! I can see you sitting in your office looking at these forums!

  10. #25
    Join Date
    26th July 2005 - 12:12
    Bike
    Aprilia Shiver 750, Suzuki RG150E
    Location
    Newdlands, Welly...
    Posts
    5,480
    Very interesting, Gunmetal.
    Love to see some pics.


    "...you meet the weirdest people riding a Guzzi !!..."

  11. #26
    Join Date
    17th October 2009 - 15:38
    Bike
    none at present
    Location
    Queensland
    Posts
    1
    According to www.davidreiss.com.au/Tempted.htm ghanging the rear sprocket from 38 to 36 tooth & 15 to 16 on the front will help Jaffa boy

  12. #27
    Join Date
    25th December 2011 - 12:00
    Bike
    1983 GR650
    Location
    Iowa, USA
    Posts
    1

    Question

    Quote Originally Posted by rogson View Post
    Suzuki were proud of the GR650..........they published a 20 page brochure on it (I have one). Any other Suzukis (single bike that is) have a 20 page brochure devoted to it?
    I have two of the GR650's and am a bit obsessed with them. Have several ad's, brochures, and articles. Where did you get the 20 page brochure mentioned earlier though? Would you scan it and send it to me?

  13. #28
    Join Date
    31st May 2012 - 00:41
    Bike
    gr650
    Location
    netherlands
    Posts
    1
    Quote Originally Posted by 90s View Post
    Ouch!

    (erm, message too short. Must file return correctly)
    "Suzuki were proud of the GR650..........they published a 20 page brochure on it (I have one). Any other Suzukis (single bike that is) have a 20 page brochure devoted to it? "

    Best Rogson

    I own a suzuki GR650 sinds 1988
    and i ride 223.000 km with it.
    I am very interested in your 20 page brochure.
    Would you considder to sell it to me ?
    Or would you make a scan.
    You can email me at sjaak55@hotmail.com


    Thank You

    Sjaak

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