Crankcase Breather Hose - BMW Luxury Touring Community
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post #1 of 7 Old Jan 23rd, 2019, 8:02 am Thread Starter
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Crankcase Breather Hose

Question.... I see that there are 2 different clamps from the air box to throttle bodies. Non-reusable and screwed. However BMW Max parts show that they are all screwed clamps. Has anybody used all screwed clamps? What position/orientation is best if using screwed in non-usable positions? K1200LT 2001.

I am replacing all the rubber hoses when doing this work so any and all advise is welcome.

John
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post #2 of 7 Old Jan 23rd, 2019, 10:01 am
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Re: Crankcase Breather Hose

I use all screw clamps and here is the best setting for non-interference with the throttle linkage. The two center ones are easier to tighten if you remove the bracket that has the cruise cutout switch on it.
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John
2009 K1300GT Red Rocket
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Last edited by jzeiler; Jan 23rd, 2019 at 10:08 am.
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post #3 of 7 Old Jan 23rd, 2019, 10:35 am Thread Starter
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Re: Crankcase Breather Hose

That's great.....I was hoping for that answer!!
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post #4 of 7 Old Jan 23rd, 2019, 12:31 pm
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Re: Crankcase Breather Hose

The non reusable ones actually are reusable and intended to be. "click it" type and require the special pliers or some strong long nose pliers to grab the two matching and protruding folds of metal. You have to preposition them with the parts over lapping and squeeze until it clicks (and locks) closed. In tight spots like this I use long nose, long reach pliers. A better option would be long reach duck bill pliers. Same problem on the intake manifold of S bikes.

Beech
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post #5 of 7 Old Jan 23rd, 2019, 12:52 pm
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Re: Crankcase Breather Hose

Quote:
Originally Posted by beech View Post
The non reusable ones actually are reusable and intended to be. "click it" type and require the special pliers or some strong long nose pliers to grab the two matching and protruding folds of metal. You have to preposition them with the parts over lapping and squeeze until it clicks (and locks) closed. In tight spots like this I use long nose, long reach pliers. A better option would be long reach duck bill pliers. Same problem on the intake manifold of S bikes.
There are three types of clamps used among the intake bushings and the air box. The first two below are reusable but getting it back in place and squeezing it back to the locking position is often cumbersome. It can be done and I use a pair of needle nose vise grips over a large set of regular needle nose pliers. These were used on the front two positions with bikes that have cruse control to eliminate the possibility of binding on moving parts. As John said, you can use screw clamps in place but you have to be very careful on placement so they don't impact any moving part and jam your throttle in the open position. The last one is not reusable as it is a typical Otiker type clamp that is crimped to tighten. You pretty much have to destroy them to get them off.
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post #6 of 7 Old Jan 23rd, 2019, 4:19 pm Thread Starter
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Re: Crankcase Breather Hose

Its the first type that I have so I will try to refit them with a long-nosed vice grips.........with a couple of screwed clamps in reserve!!
Waiting for rubber parts to arrive and then the real work will start.

Thanks for your help
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post #7 of 7 Old Jan 23rd, 2019, 6:30 pm
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Re: Crankcase Breather Hose

I have found that if you bent them at all taking them off you will never get them to hold again. That was an exercise in frustration so I just went with the screw type.
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John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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