2013 model Presentation contents Introduction Engines - - PowerPoint PPT Presentation

2013 model

Technical Presentation

Presentation contents

• Introduction
• Engines
• Chassis
• Electrical
• Maintenance
• Summary

Introduction

2013 RM-Z450/250 ENGINEERING TARGET

1.Meeting new FIM sound control without sacrificing engine performance. 2.Enhance mid range power to be practical in racing battle. 3.More controllable handling character to be accepted by wider range of riders.

Introduction

Introduction

2012 RM-Z450 2013 RM-Z450

• As the above mentioned concept, styling design is unchanged.
• From outside, it might look same with 2012 model except

graphics and plastic parts color.

2013 RM-Z450 from outside

Introduction But under its skin…….

Engines

2013 RM-Z450 Engine changes

Lighter Piston & DLC Piston Pin New Intake camshaft New Connecting Rod New Stator coil New Cam chain guide Redesigned Transmission Reshaped Shift cam Thinner Crankcase reed valve New Oil strainer with magnet

Engines

New Crank pin

2013 RM-Z250 Engine changes

New Ignition coil New Stator coil Reshaped Shift cam New Oil strainer with magnet New Intake camshaft Lighter Piston & new Piston pin New Crank pin Redesigned Transmission Redesigned Clutch release Thinner Crankcase reed valve New Exhaust cam shaft

Engines

Feedback from MotoGP technology - FEM analysis – New piston is 13% l lighter ter without sacrificing the rigidity.

Engines

Piston （450）

Sha Shaved do d down n part Sho Shorter p piston p n pin n bos

• ss

Resh shaped p pist ston sk skirt Resha haped d piston

• n h

head, fla flatt tter combustio tion chambe ber Reinf nforcement nt R Rib adde dded 20 2013 R 13 RM-Z450 450 20 2012 R 12 RM-Z450 450

Piston of RM-Z250 also received feedback of FEM analysis. New piston is 3% lig lighter without sacrificing the rigidity. Back side of piston is

Engines

Piston （250）

Engines

13% lighter Piston (450 only) DLC coated piston pin (450 only) Lighter connecting rod (450 only)

Faster throttle response Enhanced mid-range power delivery Better combustion efficiency

* RM-Z250 piston is 3 % lighter. Piston pin is changed but no DLC coat. Connecting rod of 250 is unchanged.

Piston / Piston pin / Connecting rod （450 /250）

Thicker and shorter piston pin (250 only)

Increased rigidity

Engines

Crank pin （250 only）

Current model New model

Change the shape of passage in crank pin.

Enhance the durability of the bearing at the big end.

Capture more sludge, better lubrication

Engines

Crankcase reed valve / Oil strainer （450 / 250）

Thinner crank case reed valve More efficient lubrication Newly added strong magnet

Better reliability

Capture more sludge, better lubrication

Better throttle response and smoother power delivery

Engines

Cam chain guide (450 only)

Changed material

Better reliability

Changed cross section surface (From T to H) Enhanced abrasion resistance and strength Enhanced rigidity

Engines

Air cleaner (450 / 250)

Change the shape of air cleaner outlet

450 250

Increase bottom-to-mid range power delivery Enhance the throttle response

Increase the volume of the air cleaner

• utlet tube (60ml)

Increase the volume of the air cleaner outlet tube (160ml)

Engines

Back panel of cleaner box (450 only)

Now made of carbon fiber mixed material

Reduce intake noise

Engines

Meeting new FIM sound control Enhanced low-to-mid range power delivery

Redesigned Muffler structure Extended Exhaust pipe 450→50mm (European spec only) 250→40mm

* Muffler internal changes only applied to European spec.

Muffler / Exhaust pipe （450 / 250）

Conventional bolts to fix end cap

Easy maintenance of glass wool

Engines

Changed Intake cam timing

Increased controllability

Camshafts (450 / 250)

Changed cam profile

*250’s camshafts

450 250

Changed intake cam’s working angle and lift amount Smooth characteristic Delayed Exhaust cam timing

Enhanced low-to-top range power delivery

Increased intake cam’s working angle and lift amount

Increased controllability

Engines

Better Shift feel More precise gear shift

• peration

Redesigned Transmission (change the shape of 2nd, 3rd, 4th and 5th gears) (450) Redesigned Shift cam New Clutch release (250 only)

Transmission / Shift cam (450 / 250) All new Transmission (250)

Redesigned stopper spring Redesigned drive shaft Redesigned shift cam stopper plate Changing the sprocket spacer’s ring

*250s transmission

Engines

Better cooling efficiency = More stable performance Easier for maintenance (Easier to add coolant)

Revised Hose routing New by-pass hose connects L & R

Radiator (250 only)

Changed fin pitch

2012 model 2013 model

Engines

RM-Z450 RM-Z450 (European spec)

More power and torque from bottom end to mid range!!

More power and torque from mid to high rpm range!!

Engines

RM-Z250 (European spec) RM-Z250

Chassis

Chassis

Front forks Seat rail Air cleaner box Air cleaner outlet tube Under bracket Frame Rear suspension Muffler

2013 RM-Z450 Chassis changes

Linkage rod Linkage bolt exhaust pipe

Chassis

Reduced the weight by 1% (91g) (450 only) Change the structure of frame head, tank rail, down tube and bridge tube

More controllable handling character

Frame / Seat rail (450 / 250)

Optimized rigidity balance Changed the material of engine mounting bracket from aluminum alloy to steel (250 only) Changed the shape and position of engine mounting bracket (450 only)

Chassis

Separating the spring and damping tasks

Front forks (450 / 250)

Reduced friction

Reduced weight by 2% Increased absorption performance

Chassis

Inner tube diameter is increased from 47 mm to 48mm

Front forks (450 / 250)

Spring pre-load is now adjustable

Allowing wider range of setting Optimized stability and absorption

Chassis

Improvements over the existing SFF forks

Upsized main cylinder / piston Diameter from 28mm to 30mm

Increased damping force, stronger rigidity while having smooth operation

Inner tube diameter is increased from 47 mm to 48mm Upsized sub piston diameter from 34mm to 35mm Upsized cylinder B diameter from 20mm to 23mm

This is second generation SFF forks by SHOWA - SUZUKI joint development *Separate Function front Fork (SFF)

Chassis

Improvements over the existing SFF forks

Front forks (450 / 250)

Inverted joint rod in spring side

Smooth operation in light load High rigidity in heavy load

Chassis

Flexure R L

Improvements over the existing SFF forks

Front forks (450 / 250)

Changed inner parts rigidity

Enhanced stability

Reduced discrepancy of rigidity between Right and Left forks

*image picture ( When landing or putting on the brake. ) Current SFF forks New SFF forks developed for RM-Z 2013 model

Flexure R L

Chassis

Footrests / Brake pedal (450 / 250)

The installation part of brake pedal arm is narrowed and bolt is shortened (250 only) Reviewed the shape of return spring

Reduced weight Reduced backlash

Chassis

Rear shock absorber (450 / 250)

The structure of piston ring and bladder are the same as those of 250

More controllable handling

Change setting 450 / 250 450 Increased absorption performance

Chassis

Rear suspension linkage (450 / 250)

Change the link lever ratio rear suspension linkage mounting bolts

Progressive suspension damping characteristic Easy maintenance

250 450 / 250 Prevent them from spinning Reshaped and increased from 12mm to 14mm

Better absorption and smooth operation

Increased rigidity

Chassis

Chain roller (450 / 250)

Changed to the polyurethane rubber diameter 40 mm (with bearing) (From the foamed polyurethane diameter 35 mm (without bearing))

Reduced flop of chain when accelerating

Chassis

Tires (250 only)

Change to the newest Dunlop MX51 series tires

Enhanced traction performance

Chassis

Radiator shroud (450 only)

Change the width of installation part on the back side of fuel tank cover (Radiator shroud） Make the surface flat ( From the side of fuel tank to seat)

Easier to hold the machine

Electrical

Electrical

ECM / Ignition coil (450 / 250）

Optimized combustion efficiency and enhanced roll-on performance

Optimized setting Changed the sparking characteristics Higher power Higher processing performance Ignition energy is doubled Frequency is 1.6 times

Magneto (450 / 250)

Electrical

The generator specifications were reviewed Enhanced generation and charging performance by 8 %

Improve ease of starting

Maintenance

Maintenance

FI indicator (optional parts) (450 / 250)

Self-diagnosis function

Track engine-operating time and better manage maintenance intervals

Engine hour-meter function (from 2013 model) Answerback signal of operating MX-TUNER

Surely recognize the

• peration

Maintenance

Rich-lean couplers (enclosed) (450 / 250)

Easy setting

Customer can change fuel setting by just connecting either coupler Relocated rich-lean coupler connector (2013 model, 450 only)

Easy access

Electrical

Wire harness (450 only)

Easy maintenance

Changed locations of connecting couplers

Easy access

(Rich-lean, MX-TUNER and various of service couplers)

Maintenance

Fuel pump / Fuel pump connector / Maintenance cap & plug (enclosed) (450 / 250)

Fuel pump

Weight saving by 24g

A part of component are resin-made Revised locking system

Fuel pump connector

More precise and easier

• peration

Maintenance cap Maintenance cap for fuel pump and plug for fuel hose are enclosed

Easy maintenance

Maintenance

Steering head dust cover (450 / 250)

Change to plastic with sealed bearing (from steel caps and rubber seal)

Reduced friction Reduced weight Increased water /mud resistant

Maintenance

Rear axle / Front fork protector (450 / 250)

Add a dust cover

Change the shape of installation part of front forks

Enhanced durability Increased water /mud resistant

Add a spacer to the installation part of front brake hose

Others

Other competitive features

RENTHAL Fat bar RK EXCEL Aluminum Rims

(from Suzuki, Yamaha and KTM)

Wave Disc rotors

2013 RM-Z 450 & 250 brief overview of changes 1.Meeting new FIM sound control without sacrificing engine performance. 2.Enhance mid range power to be practical in racing battle. 3.More controllable handling character to accept wider range of riders.

Summary

Questions?

Summary

2013 model