Post installation of Comnoz Sump Breather (71 norton)
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Re: Pre installation of Comnoz Sump Breather (71 norton)
Yeah! I did that a while ago. I thought about re plumbing it from the rear of the timing side but comnoz beat me to the punch with an offer I couldnt refuse.
With all my reading I ended up buying that XS breather a while ago not knowing it was the wrong move in line with the timed breather. I guess when your green your green! Right now its a straight run from the timed breather to the oil tank. I also went through and replaced all the other lines for good measure. Chain oiler is capped as well...
rpatton said:
Yeah! I did that a while ago. I thought about re plumbing it from the rear of the timing side but comnoz beat me to the punch with an offer I couldnt refuse.
With all my reading I ended up buying that XS breather a while ago not knowing it was the wrong move in line with the timed breather. I guess when your green your green! Right now its a straight run from the timed breather to the oil tank. I also went through and replaced all the other lines for good measure. Chain oiler is capped as well...
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Re: Pre installation of Comnoz Sump Breather (71 norton)
I would not go to straight 50 weight. I would use 20-50. Straight 50 weight and 20-50 are the same viscosity at running temp. 20-50 will give easier starts. Actually your 15-40 Rotella will work well. Jim
I would not go to straight 50 weight. I would use 20-50. Straight 50 weight and 20-50 are the same viscosity at running temp. 20-50 will give easier starts. Actually your 15-40 Rotella will work well. Jim
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Re: Pre installation of Comnoz Sump Breather (71 norton)
The timed breather already only allows air movement in one direction. [it only opens as the pistons are descending] A reed valve after that would just add more restriction to something that is already too restricted. Jim
Chris T said:
The timed breather already only allows air movement in one direction. [it only opens as the pistons are descending] A reed valve after that would just add more restriction to something that is already too restricted. Jim
Re: Pre installation of Comnoz Sump Breather (71 norton)
there is more to adding the timing cover breather than just a hose out of the timing chest. with out doing the rest of the steps all you will do is make it worse. when done RIGHT it is better than the timed breather BUT jim;s solution by venting directly out the crank case is the best way to go and his offer show's just how confident he is with his product
there is more to adding the timing cover breather than just a hose out of the timing chest. with out doing the rest of the steps all you will do is make it worse. when done RIGHT it is better than the timed breather BUT jim;s solution by venting directly out the crank case is the best way to go and his offer show's just how confident he is with his product
iceteanolemon said:
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Re: Pre installation of Comnoz Sump Breather (71 norton)
Duely noted! Thats good news for me, I will just go ahead and top off the oil to just above the L mark and try that. I have been running this Rotella stuff i na few bikes now without issues, also its cheap! Cheap means I can afford to change it more often!
comnoz said:
Duely noted! Thats good news for me, I will just go ahead and top off the oil to just above the L mark and try that. I have been running this Rotella stuff i na few bikes now without issues, also its cheap! Cheap means I can afford to change it more often!
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Re: Pre installation of Comnoz Sump Breather (71 norton)
Last thing I want to do is bungle it up! That is why I am good at typing and asking questions I guess!
Thanks for the support, your doing quite a service helping us one bike at a time. Its like a preservation society.
bill said:
Last thing I want to do is bungle it up! That is why I am good at typing and asking questions I guess!
Thanks for the support, your doing quite a service helping us one bike at a time. Its like a preservation society.
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Re: Pre installation of Comnoz Sump Breather (71 norton)
Jim has a hand built oil pump with .000000001 clearances. No chance of 20w slipping by. Us mere mortals think that the straight 50w will seep past our pump gears at a slower rate. Anyways, that's the theory.
As with most things it's always smarter to go with what Jim says.
comnoz said:
Jim has a hand built oil pump with .000000001 clearances. No chance of 20w slipping by. Us mere mortals think that the straight 50w will seep past our pump gears at a slower rate. Anyways, that's the theory.
As with most things it's always smarter to go with what Jim says.
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Re: Pre installation of Comnoz Sump Breather (71 norton)
OK boys I think its gonna be showtime!
I just got an email from my wife and its got a pic of a box coming from Comnoz!!!
I plan on adding the unit to the bike with the same operating oil I am using now 15-40 and. I already refilled the primary with 7oz ATF. All I need is to top off oil and find a bolt to plug the timed breather.
OK boys I think its gonna be showtime!
I just got an email from my wife and its got a pic of a box coming from Comnoz!!!
I plan on adding the unit to the bike with the same operating oil I am using now 15-40 and. I already refilled the primary with 7oz ATF. All I need is to top off oil and find a bolt to plug the timed breather.
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Re: Pre installation of Comnoz Sump Breather (71 norton)
Hes bringing the heads in suitcases. I think hes over the 50lb checkin limit!
On another note, here is pics of the piece. its so pretty I want to find a way to install it some where else!!! its a shame this things going underneath the bike!
So the unit is adjustable as to where I can place the input for the line so I pulled it apart and rotated it so I could run the breather line down in between the engine and trans.... Its at a good angle and the fitting is easy to get to so I am hoping this is going to be good.
When installing I pulled the sump plug and I believe the last time I pulled it was a week ago and I had somewhere around 700cc of oil in the sump. This time I barely had anything in the sump.
Only thing I didn't get to was getting a bolt in the original timed breather hole. So I couldn't give it a test ride to work today due to this. Were in the middle of a super heat wave anyways and I don't feel good about runnin with the backpack and leathers. Todays friday and I think tomorrow I will evade the heat of the day but maybe do a ride afternoon to test out the sealing of the unit and to get confortable. Then on sunday I may try and break the 50mi distance if I can get the time. Yesterday it was 106 at 7pm!
bwolfie said:
Hes bringing the heads in suitcases. I think hes over the 50lb checkin limit!
On another note, here is pics of the piece. its so pretty I want to find a way to install it some where else!!! its a shame this things going underneath the bike!
So the unit is adjustable as to where I can place the input for the line so I pulled it apart and rotated it so I could run the breather line down in between the engine and trans.... Its at a good angle and the fitting is easy to get to so I am hoping this is going to be good.
When installing I pulled the sump plug and I believe the last time I pulled it was a week ago and I had somewhere around 700cc of oil in the sump. This time I barely had anything in the sump.
Only thing I didn't get to was getting a bolt in the original timed breather hole. So I couldn't give it a test ride to work today due to this. Were in the middle of a super heat wave anyways and I don't feel good about runnin with the backpack and leathers. Todays friday and I think tomorrow I will evade the heat of the day but maybe do a ride afternoon to test out the sealing of the unit and to get confortable. Then on sunday I may try and break the 50mi distance if I can get the time. Yesterday it was 106 at 7pm!
MikeG
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Re: Pre installation of Comnoz Sump Breather (71 norton)
It is a work of art isn't it? I had to replace my breather hose as well cause it was too old and hard and would not expand over the new valve. For blocking off the old breather port I used a 1/2-20 automotive oil pan drain plug, available at any parts store. Even comes with a new copper gasket.
It is a work of art isn't it? I had to replace my breather hose as well cause it was too old and hard and would not expand over the new valve. For blocking off the old breather port I used a 1/2-20 automotive oil pan drain plug, available at any parts store. Even comes with a new copper gasket.
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Re: Pre installation of Comnoz Sump Breather (71 norton)
awesome tip! thanks!
MikeG said:
awesome tip! thanks!
DogT
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Re: Pre installation of Comnoz Sump Breather (71 norton)
I had one of those breathers in my hands too. Nice. Too bad it wouldn't fit my 69 because of the frame brace right under the sump. I had to send it back. I hope he makes one for us.
Dave
69S
I had one of those breathers in my hands too. Nice. Too bad it wouldn't fit my 69 because of the frame brace right under the sump. I had to send it back. I hope he makes one for us.
Dave
69S
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Re: Pre installation of Comnoz Sump Breather (71 norton)
I would rather have the correct matching numbers frame etc but such is life. I think theres a degree of freedom knowing I dont have the "correct" frame for the bike. I feel OK about doing more personalizing.... I fear that if I had the right frame theres a chance I would have the cross bar too!
Update on my situation... I got the bike around the block a few times today. nowhere near 50mi but hopefully this weekend I will get a chance to run it up in some miles to test. I am indeed ready to rock though!
DogT said:
I would rather have the correct matching numbers frame etc but such is life. I think theres a degree of freedom knowing I dont have the "correct" frame for the bike. I feel OK about doing more personalizing.... I fear that if I had the right frame theres a chance I would have the cross bar too!
Update on my situation... I got the bike around the block a few times today. nowhere near 50mi but hopefully this weekend I will get a chance to run it up in some miles to test. I am indeed ready to rock though!
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