Suzuki RM125: history, specs, pictures
|Also called||RM 125|
|Production||1979 - 2008|
125cc two-stroke, single cylinder, liquid-cooled, AETC, crankcase reed
|Bore / Stroke||53.3mm x 53.3mm|
|Top Speed||65 mph|
|Horsepower||41.04 HP (30.6 KW) @ 11500RPM|
|Torque||22.13 ft/lbs (30.0 Nm) @ 10500RPM|
|Fuel System||Mikuni TMX38S carburetor|
|Spark Plug||NGK R6918B-8 ‘96-99|
|Transmission||Gear box: 6 Speed, manual
Final Drive: #520 chain
|Final Drive||Chain: 520x114 ‘96-99|
|Front Sprocket||12T ‘96-99|
|Rear Sprocket||50T ‘96-99|
|Suspension||Front: Telescopic, 22 compression and 20 rebound settings, 12.2 inches (310mm) of wheel travel
Rear: Link-type, spring preload fully-adjustable, 4 high-speed, 16 low-speed compression settings, 19 rebound settings, 12.2 inches wheel travel
|Brakes||Front: Single hydraulic disc
Rear: Single hydraulic disc
|Front Tire||3.00-21 '75-78 , '79
|Rear Tire||6675 '75-79
|Wheelbase||57.09 inches (1450 mm)|
|Length||84.41 inches (2144 mm)|
|Width||32.72 inches (831 mm)|
|Height||50.2 inches (1275 mm)|
|Seat Height||37.4 inches (950 mm)|
|Weight||191.8 pounds (87.0 Kg) (dry), 87.0 kg (wet)|
|Recommended Oil||Suzuki ECSTAR 10w40|
|Fuel Capacity||2.11 Gallon (8.00 Liters)|
|Manuals||File:Suzuki RM125 K7 Owners Service Manual.pdf
The Suzuki RM125 was a two-stroke, single cylinder, liquid-cooled, AETC, crankcase reed motocross motorcycle produced by Suzuki between 1979 and 2008. Max torque was 22.13 ft/lbs (30.0 Nm) @ 10500 RPM. Claimed horsepower was 41.04 HP (30.6 KW) @ 11500 RPM.
The engine was a liquid cooled two-stroke, single cylinder, liquid-cooled, AETC, crankcase reed. A 53.3mm bore x 53.3mm stroke result in a displacement of just 124.8 cubic centimeters. Fuel was supplied via a rotary valves.
The bike has a 6 Speed, manual transmission. Power was moderated via the Wet multi-disc, manual.
It came with a 80/100-21 51M front tire and a 110/90-19 57M rear tire. Stopping was achieved via Single hydraulic disc in the front and a Single hydraulic disc in the rear. The front suspension was a Telescopic, 22 compression and 20 rebound settings, 12.2 inches (310mm) of wheel travel while the rear was equipped with a Link-type, spring preload fully-adjustable, 4 high-speed, 16 low-speed compression settings, 19 rebound settings, 12.2 inches wheel travel. The RM125 was fitted with a 2.11 Gallon (8.00 Liters) fuel tank. The bike weighed just 191.8 pounds (87.0 Kg). The wheelbase was 57.09 inches (1450 mm) long.
1979 - 1986 Suzuki RM125
The 1979 Suzuki RM125 is a very solid package. The little yellow zinger has good bottom-end snap and decent midrange pull. The motor makes decent power from the lower end of the powerband to the middle. Like most 125s, the RM puts out the most power from mid-to-top.
1987 Suzuki RM125
My Suzuki RM 125 is manufactured by the Japanese Suzuki Motocross bike that can get the shields. Powered by a two-stroke 125cc engine . The RM 125 is usually light yellow motorcycle. This bike has gained popularity of the high-efficiency motor with a maximum power of 38 hp (28 kW) at 11.250 rpm.
2004 Suzuki RM125
The 2004 MY RM125 is a small-displacement 2-stroke beast engineered to deliver top-notch performance for beginners. Small, lightweight, nimble and yet punchy to the max, the RM125 shares the upgrades with its quarter-liter sister. This means a new piston, redesigned exhaust ports and valves and plenty of other improvements in the frame, suspensions, brakes and ergonomics departments.
While the 2004 model year looks very similar to the previous versions, the changes will make a solid difference on the track. If an eighth-liter machine is next on your shopping list, you'll have no regrets getting this one.
2005 Suzuki RM125
The first thing you should remember when throwing a leg over a RM-series bike is that these machines mean business. They are engineered for top performance and it's not seldom when you see them on the podium. Don't be fooled by the small displacement of the 2005 MY RM125, as the 2-stroke engine is punchier than you'd expect maybe, and a jerk of the throttle could easily send you into a wheelie.
Because of the high-performance goal Suzuki had for the RM125, the engine is liqud-cooled, but this doesn't seem to add too much bulk, as the bike is still very light, as any racing machine should be. Add in adjustable suspensions, 21-19 wheels and powerful disc brakes and be ready for pro-class fun.
2006 Suzuki RM125
The 2006 MY RM125 has received several tweaks for improved performance. This is one of Suzuki's highly-popular dirt racing machines, so it is natural that the house of Hamamatsu loads it with the best features and parts from the top shelf. The RM125 has a bigger piston ring knock pin, a narrower reed valve intake passage, a reshaped intake reed valve air guide, a narrower crankshaft, a new exhaust chamber shape and a revised ignition map.
The chassis is also new, including an updated swingarm and new, revisited braking system, with new rotors and brake pad material.
2007 Suzuki RM125
The 2007 MY RM125 is a great way to have the young riders accustomed to the intricacies of real-world racing in the dirt. The bike is derived from championship-winning machines, and is loaded with race-ready components, despite its diminutive dimensions and displacement. Anyway, with the 2-stroke engine, the power of the RM125 can be truly explosive when a heavy hand operates the throttle.
New for 2007 are the seat, with its textured side panels which offer better grip, the lighter fork protectors and the revised graphics which introduce a more aggressive look derived from the works machinery.
2008 Suzuki RM125
The long history of the Suzuki RM125 model is the perfect testimony telling the successful story of this small-displacement bike. The RM125 is the natural step up for the young Suzuki riders who are done with the entry-point RM85 or its larger-wheeled RM85L sibling.
The RM125 brings extra power and torque for more aggressive, faster rides, tweaked suspensions with solid adjustability and a completely new level of overall performance. And thanks to the 2-stroke design, the 2008 MY Suzuki RM125 can also deliver a much more explosive power deployment than you'd expect.
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