R1100 - R850R Maintenance Guide
This overview section serves only as a step by step reminder for experienced workers. If you are unfamiliar with any procedure you should read the parenthetical reference article or Paul Glaves’Routine R1100 Service Article!
Note to R1100RT and R1100RS Riders: remove the side panels as described in your owners manual “Service and Technical Booklet”except RT: instead of pulling the mirror off as the manual says, you need to hold the back of the mirror (front of bike) with one hand while you hit the front outside corner of the mirror with the palm of your hand thus knocking the mirror off.
Check Alternator Belt
remove four bolts holding black plastic cover(4mm hex), remove cover, check belt for cracks etc., check belt tension, replace belt every 36K miles, leave cover off for valve adjustment (see Jon Diaz “Alternator Belt Adjustment”)
Adjust Valves remove black plastic valve cover protectors (5mm hex) if installed, remove black valve cover strip, pull plug wire using special black plastic tool in tool kit, blow out debris around plug using compressed air!!! repeat again after turning the spark plugs a couple of turns, remove spark plugs using tool kit socket or 5/8 in. deep well thin wall socket, place oil drain pan under valve cover, remove valve cover (6mm hex), remove black rubber timing hole plug, turn lower alternator pulley clockwise with 17mm box wrench, insert long screwdriver into plug hole while turning engine over, when it is pushed out the maximum start looking for timing marks Z - S - OT, center OT in window, adjust proper valves, intake = .006 in (.15mm), exhaust = .012 in (.30mm), using 10mm box, 3mm Allen, and dual feeler gauges, rotate engine 360 degrees and adjust valves on the other side, clean valve covers, wipe oil off gasket, be certain center gasket is in place on valve cover!!!, replace valve cover (see Stephen Karlan “Valve Adjustment”)
Spark Plugs
replace plugs every 12K miles, visually check gap for damage, lightly coat plug threads with anti-seize, install, torque to 15 ft.lb.(20 Nm), replace plug wire, replace black valve cover strip, replace alternator cover ( do top right bolt first!) replace valve cover protector (short screw to the front), replace timing hole plug
Replace Air Filter
replace air filter every 12K miles, remove front seat, unsnap two clips, lift cover, remove old filter, insert new filter seating bottom gasket carefully, install cover by pivoting up to align front hinge tabs, snap two rear clips.
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