Discussion in '5th Generation 1998-2001' started by jeffrozar, Aug 1, 2011.
Sounds like an air intake leak somewhere to me.
Just had this done on my Gen 6. MUCH smoother at low RPMs. Noticeable improvement on gas mileage (almost 3 MPG more), slightly louder due to intake noise but more than acceptable. Very satisfied
Not sure how the hell that ad got on my post!
Thanx mate great help!!!!
Nice pictures, have'nt really been into these bikes but enjoy reading and looking at the pictures :thumbsup: did this to my two gen 3 bikes with no regret, my ninja 500 I left intact and will continue to, really comparing apples and oranges. Good job.
What a coincidence, I have some PAIR block-off caps coming so this was a nice thing to have pop up. I didn't figure it would be too bad of a job, but ya never know.
Hmm, from whose could that be? He he
I'm offering pair valve covers that are waaaaaay thicker and better than the picture above. Exact shape of stock valve cover. (Fit CRB1100XX too)
Install photos by VFRcapn
$29.95 + $5.80shipping (US)
Stainless steel cap screws included.
PM interest please.
Sorry to dig up an old thread, but what size cap is this? I just removed my PAIR system and need to block off the port on the airbox.
To block off the airbox spigot, use a 5/8" chair leg protector
Much obliged, thank you!
I did not see it noted anywhere here that PAIR block off shouldn't have any affect unless you are FI and have O2 sensors. So it wouldn't give any benefit unless you're 2000 and 2001 gen 5. You can block the PAIR on a dyno and see zero change.
PAIR blockoff WILL improve sub-3000 rpm smoothness....
On a bike with O2 sensors.
I'm telling you, I have a 1998 & it dramatically improved the performance under 3000 rpm. No O2 sensors.
From my reading (and experience with 1990 & 1998 bike), the VFR is not widely known for having low RPM issues until they put FI and O2 sensors on it. If you study the system, it can't have any affect unless you run a closed loop feedback system (O2 sensors). If yours had a low RPM issue, maybe there was some other problem with the PAIR like a vacuum leak or reed valves failing to seal.
Not here to debate and I've said my peace. No desire to derail this further. Anyone interested in facts can do their own research.
Gawd I hate it when facts and real life don't get along. I did the PAIR block off on my '99 and it has made the low rpm smoother, not a huge difference, but noticeable nonetheless. But I also disabled the flapper valve, so that might be part of it too.
Bumping for the halibut... the photos of the OPs plates inspired me to make my own. Check post 28...
Disabling the flapper thereby eliminating the velocity effect of the snorkel and reducing low end power is sure to smooth thing out a touch.
Smoothbore's with no airbox, no snorkel, and no flapper......otstir:
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