Join Date: Dec 2008
Location: Port Macquarie, NSW, Australia
You will be able to replace the breather hose without raising the frame. It’s a fiddly job but very doable all the same. I suggest you first clean the area as much as you possibly can, and working from top to bottom, remove the air box and throttle bodies, (remove the injectors before removing the TB’s) leaving all cables in place if you wish. Take heaps of photos, and even if your sure how it goes back, take the photos anyway - trust me on this. There are different fittings attaching the air intakes to the TB’s including (if you have cruise control) two non reusable clips that are in fact reusable. Clymer covers this pretty well so I won’t go into details here, suffice to say orientation and position of clamps is VERY important. I can help you with the re use of the clamps when you get to that point if needed. Under the manifold stubs which are attached to the engine block are O-rings which should be replaced since your nearly there anyway. When the stubs are off you will notice brass collars where the screws pass through, and after many years they start to sit a little proud of the plastic stub. Give these a hone with emory paper on a flat surface - glass is best here - until perfectly flat. Also check for corrosion on the engine block and attend to if necessary. Forward of the front intake is the water feed stub and this is also worth a good look since your this far in anyway. I’ll leave that to you, however there is an O-ring under it... Every second coolant change at four years I remove the radiators and all hoses for a thorough clean and inspection. Earlier on I mentioned removing the injectors. Perfect opportunity to have them professionally cleaned and flowed as dirty injectors cause poor idle and running. These are generic BMW injectors found on many of their cars so any injector business will deal with them, and of course they should fit new O- rings as part of the service. Give the TB’s a thorough clean, including the butterflies as they get pretty dirty too. Check the two screws holding each butterfly in place are secure and tight. Unusual for them to come loose, but it has happened. Probably missed something, but this will get you started and others will undoubtedly chime in with suggestions too. I’m a huge believer in preventative maintenance.
2002 K1200RS Owned from new. Pacific Blue, Ohlins. 183,000kmís
2016 K1300R Black, Remus hexacone. 6000kmís
The family history
1951 AJS 500 single - my Dads
1916 Triumph Type H, Western front, France WW1 - my Grandads