Post PAIRS Performance - Wrist Twisters
 
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post #1 of 6 Old 05-07-2015, 12:02 PM Thread Starter
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Post PAIRS Performance

I installed PAIRS block off plates yesterday. I noticed today on my ride into work (could be perception) that on decelaration, the bike doesn't engine brake as much as it used to when it had the full PAIRS system in place. Am I perceiving this? Is there a change? Would/could a damaged gasket cause this?

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post #2 of 6 Old 05-07-2015, 01:05 PM
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Yes, you are correct I think this is a side affect.

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post #3 of 6 Old 05-07-2015, 01:20 PM
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It doesn't change the amount of engine brake at all. But it will reduce the popping sound, and that lack of sound is probably what you're 'missing'.

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post #4 of 6 Old 05-07-2015, 01:27 PM Thread Starter
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Originally Posted by g00gl3it View Post
It doesn't change the amount of engine brake at all. But it will reduce the popping sound, and that lack of sound is probably what you're 'missing'.
You know, it could be.... Like I said, it could all be perception. Thanks google. That said, I did have to cut the screws off the reed valves and I took a piece of rubber off too with an overly eager cutting wheel. Would a bad seal cause any issues?

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post #5 of 6 Old 05-07-2015, 05:20 PM
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If the PAIR plate was leaking ..... you would know it!

Its a direct path to the exhuast flow, so its would be the same as a manifold leak at the head or open header .... aka loud as fuck.

There is no change in engine braking either. The PAIR reed valve that is installed from the factory is a one way valve .... so the plate just keeps it closed at all times.

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post #6 of 6 Old 05-07-2015, 06:33 PM Thread Starter
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Originally Posted by HeliMech View Post
If the PAIR plate was leaking ..... you would know it! Its a direct path to the exhuast flow, so its would be the same as a manifold leak at the head or open header .... aka loud as fuck. There is no change in engine braking either. The PAIR reed valve that is installed from the factory is a one way valve .... so the plate just keeps it closed at all times.
Alright then! No leaks:-) thanks and that makes perfect sense. No need to buy new reed valves.

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