The RM-Z250 features a compact, lightweight and powerful
250cc 4-stroke engine design, a strong and lightweight aluminum chassis,
Showa suspension components
and many high-performance features for the ultimate 250cc 4-stroke racing machine.
The RM-Z250 engine is based around an over-square bore x stroke design,
with liquid-cooling, titanium valves and double overhead billet cams. The engine
is housed by a lightweight, twin-spar aluminum-alloy frame combining aluminum
forgings, extrusions and stampings welded into a single unit. The whole package
is supported by a Showa inverted, twin-chamber, cartridge fork and Showa
remote reservoir rear shock. The RM-Z250 features a unique aluminum rear
swingarm built using hydro-formed, thick-wall tapered arms welded to a cast
linkage bracket and forged axle holders.
Other features include Dunlop tires mounted on lightweight aluminum rims with
a special spoke/nipple design, plus Renthal aluminum handlebars as standard
equipment. Included with this year's new model are all the benefits of Suzuki's
race contingency, trackside support, Tony D School and Good scholar program.
All these added benefits are exclusive to Suzuki riders.
Th
e RM-Z250 for 2008:
it's taking the four-stroke world by storm!
Race inspired wave-rotors provide better cooling performance and increased
mud deflection in muddy conditions.
Newly designed pegs include increased clearance between the mounting bracket
and footrest to prevent mud from caking up.
Gripper seat has been improved this year by adding projected cross-shaped patterns
on the top surface to provide additional grip.
KEIHIN FCR 37 MX Carburetor with bat-wing type air
guide plates result in better mid-to-high power output while improving low
throttle opening response.
Exhaust port is narrowed down on the left side for an increase of mid-to-high
power output.
Muffler construction revised improving power output throughout the rev range.
Clutch judder springs added for a more controllable operation feel.
Modified piston profile for increased engine reliability.
Hot starter relocated to the right hand side of the handlebar just like Ricky
Carmichael's Championship winning RM-Z450.
Brackets are added to the side frame pipes and tank
rails for increased balance rigidity.
Lower bridge pipes reduced in size resulting in improved shock-absorption
feel while maintaining ample strength.
Showa cartridge-style front fork with 47mm inner tube, plus 22 -way compression
damping and 11.8 inches of wheel travel. Sections within the fork were modified
to reduce weight and improve shock absorption.
Showa rear shock absorber with a newly designed damper case and modified
internal structure for a better controlled feel and increased bottoming resistance.
Gold-colored chain and axle blocks give a full factory look.
Compact 249cc, 4-stroke, liquid-cooled, DOHC, 4-valve engine - designed for
maximum performance
Advanced 4-valve cylinder head design with narrow included valve angle and
titanium valves, plus new pentroof combustion chamber design for improved combustion
efficiency
SCEM composite-plated aluminum alloy cylinder for increased durability, optimum
engine cooling and operating temperature
Strong, reinforced airbox designed for durability and secure intake seal
Automatic decompression system for easy kick starting
Semi-dry-sump lubrication system features separate oil chambers for the transmission
and crankshaft using the transmission as the oil sump, allowing low crankshaft
placement, reduced engine height and a low center of gravity
AC-CDI ignition system with two ignition maps automatically increases engine
idle speed to reduce engine brake effect - ignition timing and rev limiter
set for optimum high rpm and over-rev performance
Twin spar aluminum alloy frame based on the championship winning RM-Z450 featuring
a forged aluminum headpipe and body frame
Renthal tapered aluminum handlebars with Renthal-labeled handlebar pad for
reduced vibration and improved rider feel
On-the-fly clutch lever adjuster mounted to the clutch lever perch for rider
convenience
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