EP 25: Butterfly Valve - Exhaust Valve - Exhaust Flapper - Sticking or Seized Valve - BMW R1250GS/A

Exhaust valve delete - Exhaust valve eliminator - Servo Buddy - Exhaust Flap, Exhaust Flapper, Exhaust Butterfly Valve, Exhaust Valve, let’s see how they work and is it worth removing or deleting the exhaust valve from your BMW R1250 series and many other motorbikes.

This is a long episode, but there is a lot to share and explain and I have kept it simple and easy to follow and understand. There are many different reasons the manufacturers say these exhaust valves are fitted, so in this video we talk about the common reasons given, and the real reason why they are fitted.

I will show you how to do some simple maintenance and servicing, the tools you might need and the products that you can safely use ( see below for viewers in UK, North America and Europe) , to help stopping your valve from squeaking and sticking.

NORTH AMERICA:
Your exhaust valve quite often also works in the HIGH RPM range due to your slightly different noise restriction. So deleting or removing the exhaust valve might definitely be worth doing.

There are some common mistakes owners sometimes make, like using engine oil to lubricate the valve which is a really bad idea !!

If you have any questions, just leave me a comment and I will reply…

Hopefully you enjoy the content I create, so by Subscribing you are letting me know, that you appreciate the effort and time I invest in creating these episodes, and it also helps to grow and develop the channel.

Best Wishes, Carl

Regulation No 41 (Motorcycle Noise Test) can be viewed or downloaded here:
Click: https://op.europa.eu/en/publication-d...

Products: ( Amazon UK )
High Temp Copper spray option 1 (Kermit) 1400°C
Click here: https://amzn.to/48M4fqH
High Temp Copper spray option 2 (3 in 1) 1100°C
Click here: https://amzn.to/3tuqgd9

Tools for cleaning: ( Amazon UK )
Upper bush cleaning brushes
Click here: https://amzn.to/46FImHK
Lower bush cleaning brushes
Click here: https://amzn.to/48GXCWw

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Products: ( Amazon North America )
High Temp Copper spray (Crown - Made in USA) 1100°C
Click here: https://amzn.to/46FhVBW


Tools for cleaning: ( Amazon North America )
Upper bush cleaning brushes
Click here: https://amzn.to/46FJyLe
Lower bush cleaning brushes
Click here: https://amzn.to/3RNi41M

****************

Products: ( Amazon Europe )
High Temp Copper spray option 1 (Kermit) 1400°C
Click here: https://amzn.to/3ttckjz
High Temp Copper spray option 2 (STC) 1200°C
Click here: https://amzn.to/3RP9jUT

Tools for cleaning: ( Amazon Europe )
Upper bush cleaning brushes
Click here: https://amzn.to/3Q4zm9w
Lower bush cleaning brushes
Click here: https://amzn.to/3rzzzIv





Chapters

00:00 Start
02:34 Basic valve operation
05:35 Why are they really fitted
06:00 Does it help the catalytic converter to warm up ?
06:36 Does it improve mid-range (Exup Valve) ?
08:37 The actual reason
09:33 Euro 5 noise testing
11:05 Exhaust valve working in real-time
19:11 What causes a sticky valve
19:35 Is it really caused by carbon build-up ?
21:40 Use your motorbike correctly
22:03 The actual reason
22:25 Rear mudguard extension
24:45 Tools and products required
28:58 Removing the exhaust & heatshield
35:07 Disconnecting the control cables
37:31 Preventative maintenance
41:00 Common mistakes
44:35 Lubrication process
47:24 Use WD40 or Not ?
49:57 Reassembly tips
53:33 Servo Motor location
54:38 Disconnect it ?
55:45 OBD I – OBD II
56:54 Install a delete module ?
57:54 Big benefits on some bikes

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