PAIR system removal / block off plate installation - Page 6 - Wrist Twisters
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post #201 of 225 Old 04-26-2012, 12:43 PM
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Quote:
Originally Posted by david75 View Post
I have the block off plates, but this stuff is over my head. Is there anyone living near Houston that could help me out?
Just watch my video I linked up above - it should make sense.

It really is not that hard. Just take your time and have the right tools. You can do it.

The only frustration is getting that inside screw in the right side back on; a swivel head on a socket wrench really comes in handy, but is not required.

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post #202 of 225 Old 04-26-2012, 02:34 PM
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Is there anywhere to still get these plates?
I need to check and see, maybe Poorboy already did this to mine.

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post #203 of 225 Old 04-26-2012, 02:37 PM
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PM rickard919. I actually just purchased some from him today. He said that they just need to be drilled, but he has the shorter screws needed.

2 > 4
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post #204 of 225 Old 04-26-2012, 02:53 PM
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Add another task to the todo list.

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post #205 of 225 Old 04-26-2012, 03:00 PM
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Quote:
Originally Posted by HondaStreetfigh
PM rickard919. I actually just purchased some from him today. He said that they just need to be drilled, but he has the shorter screws needed.
You got my last set. If there is some interest I'll get some more made. I still have exhaust brackets if anyone needs one.

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post #206 of 225 Old 04-26-2012, 03:25 PM
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Quote:
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You got my last set. If there is some interest I'll get some more made. I still have exhaust brackets if anyone needs one.
You have my interest.
Is there an interim modification that can be made, such as blocking the ports on the factory components?

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post #207 of 225 Old 04-26-2012, 03:30 PM
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You can just plug the hoses but it defeats half the purpose. It's to clear up the mess on top of the engine. I'll get ten more sets made if anyone else wants some.

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post #208 of 225 Old 04-27-2012, 04:20 AM
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few guys i know plugged hose with a ball bearing and reinstalled hose...thats a quick fix

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post #209 of 225 Old 08-03-2012, 03:18 PM
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What did you guys use to block off the Air Box nipple? Can you leave it open as it is still drawing in air which goes through the filter?

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post #210 of 225 Old 08-03-2012, 03:22 PM
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Quote:
Originally Posted by 07919Dave View Post
What did you guys use to block off the Air Box nipple? Can you leave it open as it is still drawing in air which goes through the filter?
You can use a vacuum cap. You can get an assortment at your local auto parts store

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post #211 of 225 Old 08-03-2012, 07:47 PM
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I wouldn't leave it open because that is basically bypassing the air filter system and could have the side effect of dumping dirty air directly into your pistons and also could cause your bike to run like shit and backfire like a mofo.

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post #212 of 225 Old 08-04-2012, 02:34 AM
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Quote:
Originally Posted by secondchance
few guys i know plugged hose with a ball bearing and reinstalled hose...thats a quick fix
Ball bearing seems like it has the potential to end up somewhere you don't want it. :/ But if it works, it works. My initial pairs block off was with this set and a couple zip ties.

http://www.oreillyauto.com/site/c/de...7396/N1167.oap

A couple of the medium ones up front over the nibs on the top of the engine with some zip ties to make sure they stayed in place. And then a larger one to cap the airbox.

Like this:

image-3604493117.jpg

And this:

image-1606227263.jpg

Then I got plates from Heli. So much cleaner.

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post #213 of 225 Old 08-10-2012, 08:18 PM
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Quote:
Originally Posted by EatDirtFartDust View Post
Is there anywhere to still get these plates?
I need to check and see, maybe Poorboy already did this to mine.
Driven racing has some


Link for info: Honda Block Off Plates - DSBLOCK-4

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post #214 of 225 Old 08-11-2012, 03:46 PM
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Quote:
Originally Posted by jclong74 View Post
Driven racing has some


Link for info: Honda Block Off Plates - DSBLOCK-4

Or I can send you a set for $20 shipped.

https://www.wristtwisters.com/forums/...919-28897.html

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post #215 of 225 Old 07-30-2017, 07:51 PM
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Do you have to put the reed valves back in?

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post #216 of 225 Old 07-30-2017, 10:00 PM
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Do you have to put the reed valves back in?
Nope. I tore mine out.

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post #217 of 225 Old 08-20-2017, 10:50 AM
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Hello guys, I'm from Bulgaria. I started on bikes 30 years ago, I had mostly Russian motorcycles and a lot of Bulgarian production "Balkan" (before 1989 we were doing motorcycles before they destroyed the factory) in view of the fact that the state was in the sphere of influence of the USSR.
I saw that the subject was old but still revived. I own CB900F 2003 year Hornet 900 from several years, I made a Flapper Mod, I am very pleased with the result, even the fuel consumption fell a bit. Now I'm going to do this - remove PAIR Valves System. I've read a lot on the subject, but to ask if there's any danger of something spoiling on the motorcycle?

I'm thinking of changing the chain with racing conversion kit 520. I'm thinking of keeping the standard teeth 16/43 or putting 17/44?
Best Regards,
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post #218 of 225 Old 08-21-2017, 04:32 PM
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Hi dan_koloff. Removing the pair valve system won't adversely effect the bike. No more popping on engine braking. Also gets rid of a lot of clutter on engine head. Cleans this area up well. There are two types of plates you can use. One type has holes underneath to take the valve screw heads so you have a bit less work. No need to remove screws.
I went with the 17/44 ratio and would recommend it. Bike feels better as far as speed and revs go in 6th gear. I didn't notice any loss of acceleration. Can't comment on the 520 chain as I'm running a 530. Plenty of guys run the 520 kit. I will give it a go next round of spockets/chain.
Good work on the flapper mod. I went and removed that valve as well and fibreglassed hole over.
What are the roads and traffic like where you live? Are there many hornet 900's around? Just asking cause I live in Australia and I'm curious.
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post #219 of 225 Old 08-22-2017, 11:49 AM
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Thank you very much for the information, I got it all. I'll do things step by step.
When the plates come, I will see exactly which model they are.


The roads have improved with us over the years. We have a unique and beautiful scenery, there are many good and long routes. But on most roads with a nice turns, the flooring is bad, but things are improving every year. There is a fairly large number of Hornet 600 (It's taken by a beginner for a first bike) and a little Hornet 900, the traffic is not big, except the capital...
Best Regards

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post #220 of 225 Old 08-13-2019, 08:05 AM
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Question, when disconnecting the PAIR connector, doesn't this cause an error code? If not why is it there in the first place?

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post #221 of 225 Old 08-13-2019, 09:56 AM
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I've never had an issue with mine, valves, hoses and solenoid are in a box in the garage

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post #222 of 225 Old 08-13-2019, 11:12 AM
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NO code, just a lot of decel popping if you do not use the block off plates. Also I noticed on mine that the fuel smell was more pronounced but at the time I also changed to some of the Delkevik Carbon Fiber exhaust cans so it's hard to say if it was the pairs disconnect or the pipes that did that.

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post #223 of 225 Old 08-13-2019, 12:50 PM
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Just tape it off real good?

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post #224 of 225 Old 08-13-2019, 05:18 PM
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Quote:
Originally Posted by Ditch View Post
Just tape it off real good?
I just used some silicone caps and put a little oil on the inside and then zip tied them on and had no issues with them.

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post #225 of 225 Old 08-14-2019, 04:04 PM
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Originally Posted by Ditch View Post
Just tape it off real good?
Oh are you taping off the connecter pigtail that's left? yeah tape that bad boy up so no water gets in. After that you should be good!

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