Your motorcycle's crankcase breather could be hooked up wrong! (PAIR Valve??) -Tech Tip
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- เผยแพร่เมื่อ 17 ต.ค. 2024
- The do's and don'ts of crankcase breathers and PAIR valves. This video is to show in detail how many motorcycles have their crankcase breathers hooked up incorrectly due to misinformation on the internet. We show you the proper way to correct the problem on this Suzuki GSXR 1000. We also explain the dangers of having your crankcase breather routed to the wrong place. We in no way are recommending removing emissions components from your motorcycle.
My problem is. I don't have the breather on my hayabusa engine because I've installed it in a ds650 bombardier atv. So now where did I connect the pair valve hose to ?
What’s your opinion on leaving the pair valve system stock and just disconnecting your crankcase breather so it doesn’t recirculate dirty air into the air box. Kinda like a Kleen air mod but u don’t touch the pair valve. Will this effect how the bike runs. I know people who do the kleen air mod get ride of the smog system and run a strait black tube across the pair valve and block off that vacuum.
I didn't hook it up too your pair valve but I blocked it off. Oil all over rear regardless but had I gone down, I never would of known via this vid. Pro-tip fs
Why can’t u just take the reeds out if you took pair valve system out so it can breath all the time hooked up to it. Ppl do this to wheelie and not get oil all over your air box. What’s the best solution.
My 99 SRAD always has oil in the airbox to the point where it leaks out of the corner. Like alot. Why could that be?
Thanks for that because I was wondering when ppl did the air box mod why they wouldn’t just T off the valve cover so when your doing a long wheelie the oil would just go right back into the top of your engine. If your going to hook it up that way could you do a 4 way splitter and run the 4th hose up by your headlight with a small air filter so when your up at 12 if it suck any oil it goes back into your valve cover but also when throttle is closed it can suck air to? I know it isn’t factory but when bikes are being built they don’t think about when ppl have the bike up at 12 lol.
2001 gsxr I got the bike and the fuel exhaust hoses are broken and I don’t know where they connect to
Please help!!
My Suzuki Hayabusa engine breather filter became like a sand particals and after sometime it got disappeared totally. Now I can see just a hole in the air filter box where that small breather was placed. Is there any problem without that??
Also, these days I have noticed my bike is not idle. Rpm goes down while releasing the throttle. After few hours of riding, when it is warm. And also it backfires a lot when I release the clutch. Please tell me what is happening with that? Cant figure out the problem.
Bhaiyya ne haathi paal ralha hai aut angtezo se sawaal karrre
@@nikhilarolla7643 Bhai mere angrezo se accha koi nahi janta inn machines ke baare mein. Jo ki yahan ke new mechanics nahi jante. Ye log pehle se professional hote hain superbikes mein. Isliye inse better knowledge nahi de sakta koi...Aur pehle bhi inn logo se baatein karke meri problems solve hui hain.
Iss haath ki kaafi knowledge ab mere ko bhi hai. So relax bro. Its my bike, I know how to deal with it. Not your problem
Would this go for a 2009 Kawasaki zx6r too? Have oil all over my left boot and shifter after hitting high speeds... small trickles riding around town and when i check the oil level its not significantly low or anything.
No, the pair valve system is a separate system from the oiling system when hooked up properly. If you have oil on your left boot, I would recommend checking out your output shaft seal, shift shaft seal or stator cover gasket. Hope this helps!
I have a 2006 zx10 and it’s blowing oil into the Air box at full throttle:.. what can I do to stop this ( oil level is correct)
My breather was venting to atmosphere and I noticed it because there was white smoke or vapor I’m not sure which. Is this normal?
I want to fix and it vent to airbox but not if there is an issue.
My 2007 gsxr 600 has an idling issue sometimes even if the bike is warm, I've heard stuff about an idling hose that could be dirty but do not have an idea on where and how that works or even if it could be the problem, some say it can be the spark plugs but again I do not have much knowledge with these things, can you maybe help me
Pair valve is a separate system but if there is a vacuum hose off in your throttle body system, that would cause a rough idle.
@@RedlinePowersports okay, thank you
Hi, I have a 2006 cbr600rr. When I got the bike, the normal pair system was working properly but, strange thing, the other pipe (the one coming also from the head of the engine, very close to the couple of reed valves), was closed... I assume this pipe is the one starting from the carter, but not sure at all...
I put off the entire pair system (valve and pipes) and put the 2 metallic parts to close the reed valves.
As consequence, I had oil pissing out of the gear selectors joint.
Now I opened the pipe that was closed: is it okay like that ?
Sounds like maybe your crankcase breather tube was blocked off??
My bike, is a vtwin, and is oil is pumping through the rear cilinder breath hose, i'm thinking about adapting a PCV Valve to the end of the hose so it can get rid of the Crank gas but not oil what you think about this, My bike doesnt smoke and has nice compression, SO it's weird
Is it a Harley? Harleys don't have a PAIR valve system. They have a type of PCV valve inside your rocker cover called an umbrella valve so if you added one, you would be adding a valve on top of a valve. Sounds like that could be bad. Without seeing the bike, it's tough to diagnose.
@@RedlinePowersports I finally plugged a PCV Valve in the hose and problem solve, bikes clean without a single drop of oil
I am having issues locating where my Yamaha s max xc155 crankcase vents . I replaced frame and when I went to reconnect the hose I couldn’t find where it connected . I know it’s somewhere in radiator cap Vicinity. And Yamaha dealer here is a 4 month wait . If you can give me advice I would be most greatful
The crankcase will usually vent at the back of the engine or on top of the valve cover. (Don't confuse that with a pair valve though)
So, those hoses can make the bike start and then just turn off..
And after minutes the bike starts again and ok..???
(Something like an idle issue..)
Nope shouldn't do that...sounds like something else
Ooooouf!!
:(
Dangit…
Thank you guys for the answer!!
If I could get more info about this problem, could I make another question to you!??
Thanks and keep on rocking!!
✌🏻👽
Is this the same for a 03 600 gixxer?
if my suzuki does not have an air filter box, it has its air filters separately, where would that hose go?
Sounds like you are describing air filter pods. Short answer is your crankcase breather would normally go to the airbox but since there isn't one it would get another smaller "pod" and vent to atmosphere.
My breather and the hose is make some oil dirt and the bike smokes, when i clean it dosent smoke, can you help me?
Its an 2003 gsxr 1000
@@445butty is your breather hooked up like the one in the video? Or is it the correct way like we show at the end of the video?
@@RedlinePowersports the corect way
@@445butty The breather should just go to the bottom of the airbox. What are you cleaning? Also check that your oil level is correct. Oil level should be checked upright and not on the side stand. Oil too high can cause oil foaming (very bad for the engine) and can cause oil vapor to end up going up the breather causing the burning you are mentioning.
Who the Frack hooks up their crank vent to the pair valve???????????🤪
We thought the same thing!
It makes more power on a dyno.
@@MoswenMedia You should DEFINITELY make a vid detailing the process and results both before and after on a Dyno on your bike!
@Rod Rides & Wrenches There's a bunch of dyno results on forums. I'm not saying anyone should do it, I'm just answering why people do it.
@@RodRidesWrenches I just got a dyno in the shop and tried this on the shop GSXR1000 and it legit made 5hp more.
I thought it was bullshit till I tried it
no gloves you ok?
Can this cause a idling problem if the breather plug is missing?
Typically not. It is good to make sure your crankcase vent is hooked up properly to your air box.