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DEAR WP CUSTOMER Congratulations on your decision to purchase a WP chassis component. You are now the owner of a state-of-the- DEAR WP CUSTOMER art sports chassis that will give you and your child enormous pleasure if you service and maintain it accordingly.
Checking the basic chassis setting Symbols used ........3 with the rider's weight ...... 17 Formats used........3 Air suspension WP AER 43 SAFETY ADVICE..........4 Cone Valve Fork ....... 17 Checking the basic setting of the Use definition – intended use....4 fork ..........
All work marked with this symbol requires specialist knowledge and technical understanding. In the interest of your own safety, have these jobs performed by a WP Authorized Center! There your WP chassis will be treated with the optimum care and attention by specially trained experts using the necessary special tools.
2 SAFETY ADVICE Use definition – intended use This chassis component is designed and built to withstand the normal stresses and strains of competitive use. Info Only use this chassis component in closed-off areas remote from public road traffic. Only use this chassis component in the vehicle for which the chassis component is approved and/or rec- ommended.
The Owner's Manual is an important part of the chassis component and must be handed over to the new owner if the vehicle is sold. Correct installation Correct installation is essential in order to guarantee the maximum level of safety and functionality. It is therefore strongly recommended that you have the chassis component installed at a WP Authorized Center.
For the safety of your child, only use spare parts and accessory products that are approved and/or recommended by WP and have them installed in a WP Authorized Center. WP accepts no liability for other products and any resulting damage or loss.
4 SERIAL NUMBERS Fork article number The fork article number is stamped on the inside of the axle clamp. Info The fork article number consists of an eight figure number with a single letter in the sixth position. 401947-10...
5 PREPARING FOR USE Advice on first use Warning Danger of accidents The suspension components will become damaged or destroyed if overloaded. – Make sure the maximum permissible weight of the rider is not exceeded. Maximum rider weight 75 kg (165 lb.) Warning Danger of accidents Modifications to the suspension setting may seriously alter the handling characteris- tic.
6 RIDING INSTRUCTIONS Checks and maintenance measures when preparing for use Info Before every use, check the condition of the chassis component and ensure that it is safe to operate. The chassis must be in perfect technical condition when it is being operated. –...
7 SERVICE SCHEDULE Additional information Any further work that results from the required work or from the recommended work must be ordered separately and can be invoiced separately. Different service intervals may apply in your country, depending on the local operating conditions. Required work Every 40 operating hours ●...
8 SERVICE WORK ON THE CHASSIS Raising the motorcycle with a lift stand Note Danger of damage The parked vehicle can roll away or fall over. – Park the vehicle on a firm and level surface. – Raise the motorcycle at the frame underneath the engine. Neither wheel is in contact with the ground.
8 SERVICE WORK ON THE CHASSIS Installing aftermarket version Main work – Position the fork legs. Air bleeder screw of the right fork leg is positioned to the front. Valve of the left fork leg faces the front. Info Grooves are milled into the side of the upper end of the fork legs.
8 SERVICE WORK ON THE CHASSIS Main work – Release bleeder screws Any excess pressure escapes from the interior of the fork. – Tighten the bleeder screws. H02540-11 Finishing work – Remove the motorcycle from the lift stand. ( p. 14) Cleaning the dust boots of the fork legs Preparatory work –...
8 SERVICE WORK ON THE CHASSIS Removing the motorcycle from the lift stand Note Danger of damage The parked vehicle can roll away or fall over. – Park the vehicle on a firm and level surface. – Remove the motorcycle from the lift stand. –...
8 SERVICE WORK ON THE CHASSIS Removing the front wheel Preparatory work – Raise the motorcycle with a lift stand. ( p. 11) Main work – Loosen screw by several rotations. – Loosen screws – Press on screw to push the wheel spindle out of the axle clamp.
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8 SERVICE WORK ON THE CHASSIS Main work – Check the wheel bearing for damage and wear. » If the wheel bearing is damaged or worn: – Change front wheel bearing. – Clean and grease shaft seal rings and contact surface of the spacers.
401030-01 Air suspension WP AER 43 Cone Valve Fork The fork WP AER 43 Cone Valve Fork combines two leading WP Technologies: the Cone Valve damping system and the air spring system. As fork springs are no longer required, a significant weight advantage is achieved when compared to conventional forks.
9 TUNING THE CHASSIS Checking the basic setting of the fork Info For various reasons, no exact riding sag can be determined for the fork. – Smaller differences in the rider's weight can be compensated for by the fork air pressure. –...
9 TUNING THE CHASSIS – Adjust the air pressure as specified. Guideline Air pressure 5 bar (73 psi) Changing of the air pressure 0.2 bar (3 psi) in steps of Minimum air pressure 4 bar (58 psi) Maximum air pressure 8 bar (116 psi) Info Never adjust the air pressure to a value outside the...
9 TUNING THE CHASSIS Adjusting the rebound damping of the fork Info The hydraulic rebound damping determines the fork suspension behavior. – Turn adjusting screw clockwise all the way. Info Adjusting screw is located at the upper end of the right fork leg.
11 SUBSTANCES Fork oil (SAE 4) (48601166S1) Standard/classification – SAE ( p. 24) (SAE 4) Guideline – Use only oils that comply with the specified standards (see specifications on the container) and that exhibit the corresponding properties.
13 STANDARDS The SAE viscosity classes were defined by the Society of Automotive Engineers and are used for classifying oils according to their viscosity. The viscosity describes only one property of oil and says nothing about quality.
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