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suzuki RM Z250

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Engine

To ensure optimum performance, particular attention has been paid to the following areas, to hone and perfect their design and performance over the years to bring you the best RM-Z possible:

 

  • Piston, piston pin and piston ring
  • Camshafts intake valves
  • Cam chain tensioner/adjuster
  • Crankshaft and magneto

 

The 249cc, 4-stroke, fuel-injected, DOHC engine, with a compact and lightweight design, packs the right combination of dirt-slinging torque and arm-stretching horsepower, which powers the RM-Z250’s championship-winning performance. And for today’s riders, the engine does even more, thanks to a mix of new technology and proven engineering. The engine design means easier starting, more consistent launch off the line, and a smoother spread of torque and horsepower to make the bike more exciting to ride – and easier to ride to victory.

Low crankshaft weight means reduced friction from oil agitation, while higher magneto rotor inertia weight allows a balance to be retained.

The 249cc, 4-stroke, fuel-injected, DOHC engine, with a compact and lightweight design, powers the RM-Z250's championship-winning performance

The cam chain tensioner is Teflon coated to reduce friction and increase durability. The design of the tensioner adjuster ensures a good range of adjustability.

Suzuki Holeshot Assist Control (S-HAC)

Suzuki Holeshot Assist Control (S-HAC) is a selectable launch mode
system derived straight from factory race bike. The basic idea of Suzuki Holeshot Assist Control (S-HAC) is as follows;

  • It changes ignition map for quicker launch. (Only in launch sequence)
  • It is selectable from two different modes to suit to different conditions.
  • Three-stage control for more detailed control. In the moment of launch, ride over the starting gate, and acceleration, each sequence is different; which requires different engine characteristic for quicker launch. Therefore, we set different maps for each sequence.

S-HAC has two selectable modes so riders can choose the best option for the starting conditions.
For hard surfaces or slippery conditions at the starting gate, choose A-Mode. In this setting, Holeshot Assist Control alters ignition timing in moment of launch and ride over the gate to reduce wheel slip and to deliver smooth launch, and it advances ignition in the acceleration sequence for stronger acceleration. Then one of three conditions will return the ignition to normal operation: after 6 seconds from start; when you shift to fourth gear; or when the throttle is closed (whichever happens first). When conditions at the starting gate provide better traction, and a more aggressive launch is needed, choose B-Mode. For these conditions, Holeshot Assist Control advances ignition timing to allow increased throttle response and stronger acceleration off the line. But level of ignition advance is optimised for each three sequence. The system returns the normal ignition map by same conditions of A-mode.         

Engine Type

4-stroke, liquid cooled, DOHC

Displacement CC

249.0

Bore X Stroke

77.0mm x 53.6 mm

Compression Ratio

13.75 : 1

Fuel Tank Capacity

6.5 L

Starter

Primary kick

Transmission Type

5-speed constant mesh

Dimensions LxWxH

2170 mm x 830 mm x 1270 mm

Wheelbase

1475 mm

Seat Height

955 mm

Ground Clearance

345 mm

Kerb Weight

106 kg

Tyre Size Front

80/100-21 51M, tube type

Tyre Size Rear

110/90-19 57M, tube type

Brakes Type Front

Disc

Brakes Type Rear

Disc

RRP

0.00