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new sprokets for VTR250?

Discussion in 'Bling and Appearance' at netrider.net.au started by idontlikemondays, Jul 29, 2006.

  1. so i need new chain and sprokets. any suggestions on possibilites for a shorter ratio drivetrain. the current top speed is about 150, i wouldnt want to get it much below 135 or so. also where would i be able to get torque specifications for the bike?
    cheers


     
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  2. Do you mean as in the torque specifications for tightening up certain bolts or the torque that the engine produces ?

    both should be in your manual, if you dont have a manual google the specifications or google the manual and download it
     
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  3. Honda VTR 250
    Year: 2002
    Category: Naked bike
    Rating: 75.1 out of 100. Show full rating and compare with other bikes
    Engine and transmission
    Displacement: 249.00 ccm (15.19 cubic inches)
    Engine type: V2
    Stroke: 4
    Power: 32.00 HP (23.4 kW)) @ 10500 RPM
    Torque: 24.00 Nm (2.4 kgf-m or 17.7 ft.lbs) @ 8500 RPM
    Compression: 11.0:1
    Bore x stroke: 60.0 x 44.1 mm (2.4 x 1.7 inches)
    Fuel system: Carburettor
    Valves per cylinder: 4
    Fuel control: DOHC
    Cooling system: Liquid
    Gearbox: 5-speed
    More details Consult a Honda repair manual.
    Physical measures
    Dry weight: 140.0 kg (308.6 pounds)
    Seat height: 780 mm (30.7 inches) If adjustable, lowest setting.
    Overall height: 1,050 mm (41.3 inches)
    Overall length: 2,040 mm (80.3 inches)
    Overall width: 720 mm (28.3 inches)
    Ground clearance: 170 mm (6.7 inches)
    Wheelbase: 1,410 mm (55.5 inches)
    Chassis and dimensions
    Front tyre dimensions: 110/70-17 54H
    Rear tyre dimensions: 140/70-17 66H
    Front brakes: Single disc
    Rear brakes: Single disc
    Speed and acceleration
    Power/weight ratio: 0.2286 HP/kg
    Other specifications
    Fuel capacity: 13.00 litres (3.43 gallons)
     
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  4. If your asking about changing the ratio for more acceleration and less top speed, your probably not going to notice alot of difference unless you go for atleast 2-3 teeth on the rear sprocket. If you really are just using it around town and want a bit more zip but still have the headroom on the freeway, you can probably go to 4-5 teeth up on the rear, or 1 down on the front & 3 up on the rear.
     
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  5. by going up 3 teeth on the rear, what would he top speed be now?
     
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  6. hey thanks for the replies.
    yeah i meant the torque specs on tightening bolts. i dont have an owners manual, and honda told me they dont make a service and repair manual for the bike yet. ive ripped a few bolts in half by overtightening, and lost some by not tightening enough. after waiting 5 days for the replacement bolts from honda, then breaking them again, i gave up and went to bunnings to get some high tensile steel ones. was just hopeing i could avoid the fuss next time
    again, thanks for your help

    ps sorry about the funky gibberish, im used to speaking in car terms.
     
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  9. shit guys i cannot tell you how much i appreciate that, thanks heaps!
     
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  10. im 7+ in the rear top speed is 140 plus its much more fun around the city
     
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  11. shit thats sounds like the go, were they easy to find, any particular brand?
    cheers
     
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