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TOPIC: SLEEPER PIPES FOR YAMAHA ENDUROS

SLEEPER PIPES FOR YAMAHA ENDUROS 30 Oct 2018 14:38 #151

  • UTBMXCruiser
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Why don't you do 78 pipes? All the 77-79 DT 250s and 77-78 400 use the same exact pipe. I know there are baffles and diverters inside that if removed would get you close to a full on chamber. I would certainly be interested in that!

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86 YZ250S, 84 RZ350L KR, 82 IT465J, 81 YZ465H, 81 ZIT465H, 79 DT250F, 78 DT400E X 2, 78 DT175E, 77 YZ400D, 76 Bultaco 250 Pursang Mk 9, 75 DT250B
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SLEEPER PIPES FOR YAMAHA ENDUROS 30 Oct 2018 19:29 #152

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JGersh wrote: Can you do your pipe magic on my ‘70 HT1 pipe ? I’m going to do some porting on it and thought the pipe would complete the modifications nicely.


We don't do Sleepers for the smaller cc bikes because its too difficult to design a pipe without having a bike to test it with. Also It has taken hours of testing to come up with the Sleeper Pipe cones and mods for each Sleeper model we do offer. We refuse to sell a Sleeper pipe mod that is not fully tested. So no go for your HT1

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"Get Sideways ".....Meis

SLEEPER PIPES FOR YAMAHA ENDUROS 30 Oct 2018 19:32 #153

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UTBMXCruiser wrote: Why don't you do 78 pipes? All the 77-79 DT 250s and 77-78 400 use the same exact pipe. I know there are baffles and diverters inside that if removed would get you close to a full on chamber. I would certainly be interested in that!


We took one of those pipes in and looked at it.....because of it more modern design it does not need a sleeper cone. The pipe has a proper shape to it. The stock silencer is the biggest culprit...so no go on the 77-79 pipes
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"Get Sideways ".....Meis

SLEEPER PIPES FOR YAMAHA ENDUROS 30 Oct 2018 20:19 #154

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I can tell you the silencer on the 77-78 models is unbelievably restrictive. Either modify your silencer, or find an aftermarket one that flows better. Ou could “gut” a stocker, then add a slip on spark arrester to be legal. Somewhere I have a pic of one opened up - it’s here on the site somewhere . . .

HERE it is.



This one is somewhat gutted. Could do a lot more.
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You can tell a professional by the lack of wrinkles in his duct tape.
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SLEEPER PIPES FOR YAMAHA ENDUROS 30 Oct 2018 20:53 #155

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I’m in So Cal so if you ever get urge I’ve got the test bike...
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‘68 DT1
‘70 CT1-B
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‘12 Triumph Scrambler

SLEEPER PIPES FOR YAMAHA ENDUROS 12 Mar 2019 13:57 #156

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We will continue to take orders for Sleeper Pipes until midnight Saturday March 16th 2019.....

We will not accept any new orders until June 1, 2019

So if you want one contact me this week ….turnaround time is approx. 2 weeks once we receive your pipe.

Below is our current price list


1969-1973 CT175 $199. usd
1969-1973 DT250/RT360 $229.
1974 DT250/DT360 $239
1975-1976 DT250/DT400 $239.

Thanks everyone for your continued support ! :OnFire
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"Get Sideways ".....Meis
Last Edit: by Meis.

SLEEPER PIPES FOR YAMAHA ENDUROS 12 Mar 2019 18:23 #157

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I'll PM you!

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SLEEPER PIPES FOR YAMAHA ENDUROS 12 Mar 2019 19:39 #158

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Snglsmkr wrote: I'll PM you!


I just replied !

Thanks for the order
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"Get Sideways ".....Meis

SLEEPER PIPES FOR YAMAHA ENDUROS 13 Mar 2019 12:21 #159

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We will continue to take orders for Sleeper Pipes until midnight Saturday March 16th 2019.....

We will not accept any new orders until June 1, 2019

So if you want one contact me this week ….turnaround time is approx. 2 weeks once we receive your pipe.

Below is our current price list

1969-1973 CT175 $199. usd
1969-1973 DT250/RT360 $229.
1974 DT250/DT360 $239
1975-1976 DT250/DT400 $239.

Thanks everyone for your continued support !
:OnFire

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"Get Sideways ".....Meis
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