epa system

[Air4Life]

Yea.. you.  Maybe close family?

That's not as comforting as one would think.

Any how, I've got so many deferred items on this bike.  It will be off the road for a while once I get settled.  

[Luca]

The pulse air injection system also makes the exhaust crackle and pop on decel or downhill closed throttle riding.  It wasn't so bad on my 82 LS before I removed it, but I still noticed a difference with the ports plugged up.  I had (still have actually, need to sell the darn thing) an 86 Kawi VN750 with the same type of system.  That thing really got to popping on downhill.  When I first bought the bike and ran it up to about 95mph before coming off the throttle, it made one hell of a boom.  Women and children ran for cover, birds took to the skies, the National Guard were on their way...

Also, the right hand BMW pulse air hose stops the bowl from dropping off the right hand carb.  IMO, thats a good enough reason to get rid of the stupid thing.

[wa1udg]

I have a set of "custom made" caps for the head connections waiting for "work on bike" weather.

[montmil]

I have a set of "custom made" caps for the head connections waiting for "work on bike" weather.

Your local dealer has all you'll need for a custom job:
Two oil drain plugs (07 11 9 919 117) and two oil drain plug crush washers (07 11 9 963 252).

[Luca]

Monte,

I've heard that sometimes the nipple that goes into the head can really sieze in place, which is why some people just remove the air pipe and cap it as opposed to pulling the nipple and plugging the hole.

My nipples were alarmingly loose with <6k on the clock...  but let's keep this civil

[montmil]

Monte,

I've heard that sometimes the nipple that goes into the head can really sieze in place, which is why some people just remove the air pipe and cap it as opposed to pulling the nipple and plugging the hole.

My nipples were alarmingly loose with <6k on the clock...  but let's keep this civil

I, too, have read n' heard about the possible seizure of the air injection bits. On both my R65s, '81 and '83, I first shot 'em with PB Blaster and kept them wet for two days. Hint: Newspapers under the bike caught the drips.

Later, I put a socket on the fittings, said a prayer to the gawds of BMW and pulled. All four -remember, two bikes- came out clean.

Sure, there's a possibility of seized threads -road salts, corrosion, etc- but I sorta filed away the well-traveled "seizure issue" as one of those... I know a guy whose buddy had a friend that knew a neighbor with a BMW who... blah, blah, blah.  As always, YMMV.

[steven m]

My 83 R65 has the air injection in place and I have none of the popping and crackling on on closed throttle deceleration.  I left mine on because if I ever decide to sell the bike, it might be required, who knows what is down the pike.  What I do hear is the pocketa pocketa at idle, which is funnier than annoying.  Reminds me of the movie, The Man In The White Suit, which if you haven't seen, you should.  In my opinion, a properly maintained and tuned engine is the key to reducing smog, that and not sitting in traffic...  

[Air4Life]

Well that wasn't terribly difficult.  I didn't quite understanding what all the golf tee and silicone business was about...  

The original bike supplied air t that connects the two carbs and mounts to the front of the airbox was easily closed off with a loop of the small hose piece that had been used to attach the left valve to it in the first place.   [smiley=zzz.gif] The others are junk and if needed would be replaced.

I'd like to think its now running better than ever before.  

By the way, I replaced my intake rubber grommets (hoses) so that people weren't thinking I was neglecting it.  But in my opinion those parts would have lasted another 10 years without a problem.  

Learning to use the features of my phone.  Its a 9 second file of my r65 making moonshine: http://youtu.be/mxhs0YapsTY

Oh, and as always, thanks. [smiley=beer.gif] [smiley=bmw_smiley.gif]

[montmil]

Nicely played, AirFour.

[badgertom]

I just removed mine. Talked to friends who did likewise. I just don't need more things to clutter up the bike. Since it was easy...why not(?)

[EGRG]

You can use the same connector filled with solder.

[montmil]

Silver solder or a softer, garden variety? The upcoming ride from Eagle Pass to Austin's MotoGP could get interesting.

[flybot]

Yea, thats interesting to use solder. Doesnt it melt around 4-500 degrees? I think its prob safe, but one of these days I will have to aim my temp reader at the area of that plug when the bike is hot. Im sure it gets up there because it idle the exhaust pipe at the head is around 220 deg.

[Armen]

Nothing you can't fix with a trash can. I toss them immediately. Bikes sound better and the headpipes don't run as hot. And look less cluttered. Plus the bikes look less cluttered.

[georgesgiralt]

Hi guys
I don't know what metal the plugs are, but if you use plumber's welding (the stuff they use for brazing copper ) you should be safe temperature wise...
The only problem you may face is that the plug could distort because of the high temperature the welding cause...