Where are all The Fast 2-Strokes? Look what was phased out...

Due to environmental pollution quotas being enforced slowly but nonetheless globally, 2-stroke bikes were phased out, instead of developing their superior technology to make them greener and therefore more environment-friendly...  In Japan, they have kept the best of the best of the 1980's alive!!! Listen to the perfectly crisp sound of this RG500 Gamma:
Right, I feel a bit better now! Lets take a look at what we said goodbye to:



First up, the popular Honda NS125R


Make Model
Honda NS 125R Rothmans
Year
1987
Engine
Liquid cooled, single cylinder, two stroke, Reed valve induction
Capacity
124.5
Bore x Stroke 56 x 50 mm
Compression Ratio 6.5:1
Induction
26mm Dell'Orto PHBH 26 FS
Ignition  /  Starting
Electronic  /  kick
Clutch Multi-disc oil bath
Max Power
Max Torque
Transmission  /  Drive
6 Speed  /  chain
Frame Double cradle tubular steel panels
Front Suspension
35mm Marzocchi telescopic fork is not adjustable.
Rear Suspension
Pro-link monoshockHydraulic shock absorber adjustable Marzocchi excursion.
Front Brakes
2x 254mm disc 2 piston caliper
Rear Brakes
86.4 mm Drum
Front Tyre
3.25 -16
Rear Tyre
3.50 -18
Seat Height 890 mm
Dry-Weight
117.5 kg
Fuel Capacity
18 Litres
Consumption  average
68 mp/g
Standing ¼ Mile  
19.8 sec
Top Speed
69 mp/h
(Source: Motorcyclespecs.co.za)

Not the fastest of small 2-stroke bikes, but popular none the less for Honda lovers...and I don't think I ever saw one keep up with the RD 125's and RG125's flying around London in he 1980's!


Now for a bit of speed! Next we have the insanely popular Yamaha RD125 YPVS



I saw these all round London during the 1980's, racing Gammas and anything else around them that was
worth challenging... Loud as hell too!!! Especially with that Micron exhaust that so many riders put on their
bikes back then!

Make Model
Yamaha RD 125LC YPVS
Year
1985-86
Engine
Liquid cooled, two stroke, single cylinder.
Capacity
123
Bore x Stroke 56 Ñ… 50.6 mm
Compression Ratio 6.4:1
Induction
24mm Mikuni carb
Ignition  /  Starting
-  /  kick
Max Power
20 hp @ 9500 rpm
Max Torque
1.5 kgf-m @ 9250 rpm
Transmission  /  Drive
6 Speed  /  chain
Front Suspension
32mm Telescopic
Rear Suspension
Monocross linkage 6-way preload adjustment
Front Brakes
Single 245mm disc
Rear Brakes
130mm Drum
Front Tyre
2.75-18
Rear Tyre
3.00-18
Dry-Weight
97 kg
Fuel Capacity 
13 Litres
Consumption  average
64 mpg
Standing ¼ Mile  
16.7 sec
Top Speed
81 mp/h

(Source: Motorcyclespecs.co.za)


Next the awesome Suzuki RG125 Gamma!


This one was tuned tuned Three Times!!! And as a result clocked around 105mph!!! Nice!, and that was with a standard pipe too!!


General information
Model:Suzuki RG125 Gamma
Year:1986
Category:Sport
Rating:66.9 out of 100. Show full rating and compare with other bikes
Engine and transmission
Displacement:125.00 ccm (7.63 cubic inches)
Engine type:Single cylinder, two-stroke
Power:25.00 HP (18.2 kW)) @ 9000 RPM
Torque:19.10 Nm (1.9 kgf-m or 14.1 ft.lbs) @ 8500 RPM
Top speed:160.9 km/h (100.0 mph)
Max RPM:12000
Fuel system:Carburettor
Cooling system:Liquid
Gearbox:6-speed
Transmission type,
final drive:
Chain
Clutch:multiple plates in oil bath
Fuel consumption:5.22 litres/100 km (19.2 km/l or 45.06 mpg)
Greenhouse gases:121.1 CO2 g/km. (CO2 - Carbon dioxide emission)
Chassis, suspension, brakes and wheels
Front brakes:Single disc
Rear brakes:Expanding brake (drum brake)
Physical measures and capacities
Dry weight:94.0 kg (207.2 pounds)
Power/weight ratio:0.2660 HP/kg
Seat height:720 mm (28.3 inches) If adjustable, lowest setting.
Overall height:1,155 mm (45.5 inches)
Overall length:1,960 mm (77.2 inches)
Overall width:650 mm (25.6 inches)
Wheelbase:1,310 mm (51.6 inches)
Fuel capacity:13.00 litres (3.43 gallons)
Reserve fuel capacity:1.70 litres (0.45 gallons)
(Source: Bikez.com/motorcycles )


Next, an early offering from Aprilia: The Aprilia AF1 125 Project 108


Make Model
Aprilia AF1 125 Project 108
Year
1987
Engine
Liquid cooled, two stroke, single cylinder
Capacity
123
Bore x Stroke 54 x 54.5mm
Compression Ratio 15.5:1
Induction
28mm Dell'Orto carb
Ignition  /  Starting
Max Power
25.1 kg @10000 rpm
Max Torque
1.8 kgf-m @ 8000 rpm
Transmission  /  Drive
6 Speed  /  chain
Front Suspension
Telescopic. 4-way anti-drive adjustable
Rear Suspension
Sebac monoshock
Front Brakes
Single 260mm disc
Rear Brakes
Single 240mm disc
Front Tyre
100/80-16
Rear Tyre
120/80-16
Dry-Weight / Wet-Weight
120 kg / 134.6 kg
Fuel Capacity 
22.5 Litres
Consumption  average
22.7 km/lit
Braking 60 - 0 / 100 - 0
12.8 m / 39.9 m
Standing ¼ Mile  
15.9 sec / 129.3 km/h
Top Speed
156.6 km/h (97.3mph)
(Source: Motorcyclespecs.co.za)


And finally in this section: A moderate offering from Kawasaki: The AR125



Make Model
Kawasaki AR 125
Year
1986-87
Engine
Liquid cooled, two stroke, single cylinder, disc valve.
Capacity
124
Bore x Stroke 55 Ñ… 51.8 mm
Compression Ratio 6.5:1
Induction
24mm Mikuni carb
Ignition  /  Starting
Capacitor  discharge  /  kick
Max Power
22 hp @ 9500 rpm
Max Torque
1.7 kgf-m @ 8000 rpm
Transmission  /  Drive
6 Speed  /  chain
Front Suspension
30mm Leading telescopic
Rear Suspension
Rising rate Uni-trek linkage 5-way preload.
Front Brakes
Single 232mm disc 1 piston caliper
Rear Brakes
130 drum
Front Tyre
2.75-18
Rear Tyre
3.00-18
Dry-Weight
107 kg
Fuel Capacity 
11.5 Litres
Consumption  average
66 mp/g
Standing ¼ Mile  
18.4 sec
Top Speed
75 mp/h

 The "AR", as it was known in the 80's in London, could never keep u with RD's, RG's & any other fast 125's really! It was by no means in the class of what Kawasaki was set to offer in their 250cc range...


In my next post, we will look at the when it got a bit more interesting & the real Speed came!









Awesome Sitemap

http://gixxerlovers.blogspot.co.uk/2014/10/part-1-where-did-all-these-mad-bikes.html


http://gixxerlovers.blogspot.co.uk/2014/10/part-2-power-of-beast.html


http://gixxerlovers.blogspot.co.uk/2014/10/part-three-after-slabby.html


http://gixxerlovers.blogspot.co.uk/2014/11/busas-decade-of-road-rule.html


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http://gixxerlovers.blogspot.co.uk/2014/11/superbikesit-all-started-with-gsx-r-750.html


http://gixxerlovers.blogspot.co.uk/2014/11/bring-speed-best-1990s-2-strokes-part1.html


http://gixxerlovers.blogspot.co.uk/2014/11/bring-speed-best-1990s-2-strokes-part2.html


http://gixxerlovers.blogspot.co.uk/2014/11/where-will-future-take-us.html


http://gixxerlovers.blogspot.co.uk/2014/12/guy-martin-formidable-force.html


http://gixxerlovers.blogspot.co.uk/2015/08/racing-at-suzuka.htm
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Where are all The Fast 2-Strokes? Look what was phased out... Where are all The Fast 2-Strokes? Look what was phased out... Reviewed by Gixxer1000 on 22:15 Rating: 5

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