ARROW BMW F750GS, F 850 GS Maxi Exhaust Instruction Manual

BMW F750GS, F 850 GS Maxi Exhaust
Instruction Manual

BMW F750GS, F 850 GS Maxi Exhaust

PRELIMINARY INFORMATIONS FOR INSTALLATION, USE, WARRANTY AND MAINTENANCE
Limitations of warranty – general instructions

• During and after installation, be sure that the exhaust system is not touching any components sensible to high temperatures. Manufacturer is not liable for damages  (including personal damage and injuries) of any kind resulting from improper use and installation of the exhaust system.
• After installation it is recommended to check all screws to be properly tightened and to check alignment of the exhaust system.
• When tightening original screws please follow the indications given in vehicle’s maintenance manual, for hardware given in the fitting kit please follow the values listed  below:
• Warranty is limited to defects recognized by manufacturer’s technical service and related to normal use of the exhaust system. Warranty terms exclude components  subject to normal wear, like gaskets and wadding materials. Warranty is void in case of accident, modifica tions, improper use and competition use.
• It is strongly recommended not to install and use the exhaust system on a vehicle for which the exhaust system has not been designed for.
• In normal use condition the exhaust system can get very hot, even when the engine is switched off. be careful to avoid contact with exhaust system surfaces.
• Wadding materials durability changes depending on the kind of use of the exhaust system. Generally and as a pure information, it is recommended to check internal  wadding material every 8000/9000km and at least once a year or in case you notice a change in noise from the exhaust or a change in colour of silencer’s external body  surface.
• Technical characteristics and specifications of Arrow exhaust systems and related components can be subject to modifications and changes without notice.

screw size| tightening torque| screw size| tightening torque
---|---|---|---
M5| 5,5 Nm| M10| 42 Nm
M6| 9,5 Nm| M12 (sonda)| 24 Nm
M8| 21 Nm| M18 (sonda)| 28 Nm

FITTING INSTRUCTIONS

Loosen the clamp, remove the screw securing the silencer to the frame and remove the silencer.

Loosen the clamp, move away the mount from the pins on the frame and remove original pre-silencer

Remove the screws (2) shown above and remove the cover

Move oxygen sensor harness from its seat and un-plug oxygen sensor

Cut the plastic straps shown above and remove front oxygen sensor

Remove the nuts securing collectors to the cylinders

Check that original gaskets are properly seated in their places

Fit LH collector and secure the flange to the cylinder, using original nuts (do NOT tighten in this phase)

Fit RH collector and secure the flange to the cylinder, using original nuts (do NOT tighten in this phase)

Fit 2:1 manifold and secure the springs (2)

Plug oxygen sensors and place the cables in the original position

Fit the cover

Fit original pre-silencer and secure the clamp (do NOT tighten in this phase)

Fit the silencer and secure the mount

Tighten the collectors to the cylinders

Fit the silencer and secure the mount

Tighten the clamp

ONTAGGIO KIT ARROW / ARROW LINK PIPE AND SILENCER FITTING INSTRUCTIONS

Fit the mounting bracket as shown above (RH pin)

Fit the clamp as shown above

Fit the link pipe, secure the clamp and the welded mount to the bracket (do NOT tighten in this phase)

Remove the screws (2) shown above and remove the cover from original pre- silencer

Fit the caged nuts as shown above

Remove the spacer and the rubber grommet from original silencer mount

MONTAGGIO TERMINALE SONORA

Fit original spacer and rubber grommet to the mount and the clamp to the link pipe

Fit the silencer, secure the mount

Tighten collectors to the cylinders

Tighten the welded mount and the clamp

Tighten the clamp

Fit the cover

MONTAGGIO TERMINALE MAXI RACE TECH / “MAXI RACE TECH” SILENCER FITTING INSTRUCTIONS / XXX

Fit original spacer and rubber grommet to the mounting bracket

Fit the clamp as shown above

Replace the mounting bracket with the one given in the fitting kit

Fit the silencer, secure the mount

Tighten collectors to the cylinders

ighten the welded mount and the clamp

Tighten the clamp

Fit the cover using original hardware

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