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Intake seal install

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Old Sep 15, 2017 | 08:06 AM
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Default Intake seal install

Need to install some intake seals for the 1st time on a twin cam.

Any helpful hints and methods for doing this the correct way?

Thanks
Pete
 
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Old Sep 15, 2017 | 08:34 AM
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Throttle body? carb? intake valve? .. year of bike?
 
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Old Sep 15, 2017 | 09:12 AM
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All pretty much the same, need to remove whatever to get to the seals.

One trick I use is coat the seals in vasoline or similar....it helps the intake to slide around during installation so the seals don't get pinched. It just burns off once the motor gets hot.

Used the same trick for exhaust pipes...
 
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Old Sep 15, 2017 | 09:56 AM
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Be sure the thicker side of the seals and concave side of the flanges face (OPEN TOWARDS) the cylinder heads, not the manifold. So....

Manifold > Flange [ { ] > Seal [ ( ] > Cylinder Head

https://shop.outpostalaska.com/OEMpa...UCTION_MODULE,



doing it backwards will hurt your head and, maybe, your wallet. Been there 😢.
 
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Old Sep 15, 2017 | 09:01 PM
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Thanks! 2006 Low Rider. Stock Throttle body. Its apart, just need to put it back together properly and hopefully not have to redo it . Yep might have helped if I put that in the original post. Sorry about that.
 

Last edited by panhead_pete; Sep 15, 2017 at 09:03 PM.
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Old Sep 17, 2017 | 10:23 AM
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I was taught this process by an old school wrench...

Put the gaskets on, put the intake on, finger tighten the flange screws, install the (carb and) air filter backing plate and the breather bolts all finger tight and then working one at a time, tighten them all down one turn at a time until they are all tight then torque the intake flange screws.

I use a long ball-end 1/4 in hex wrench for the right side screws and a L shaped one that has been cut off for the left side. You can take the back plate off once you have the intake flange screws torqued. You probably will not be able to torque check the left side screws...just tighten it down good. Check for leaks...if it is leaking, go through the process again...

I have done this several times and it is the best way I have found to make sure the system is all aligned properly and greatly reduces the chances of leaks.


Good luck
 

Last edited by skinman13; Sep 17, 2017 at 10:30 AM.
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Old Sep 25, 2017 | 10:06 PM
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Hi Guys almost got it back together. Would it be possible for someone to post a clear pic of the parts page above? The bike started on both cylinders and ran a little while well before going rough. Just want to make sure I put the o rings etc back in the correct place on the fuel deliverer side.
 
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Old Sep 27, 2017 | 12:27 AM
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Thanks everyone - finally got some time to look at it and its back together and appears to be running ok. Appreciate the help.
 
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