WTB, Briggs 2 barrel intake manifold

smallblock450sl · 08-18-2015, 07:17 PM

Need a Briggs V-twin 2 barrel intake manifold. I believe 1989marathon said they can work on 14 tru 23's (sorry if I'm wrong). I have a build project for a single Mikuni and I need an intake for test fitting. I can get one from EC, but 107.00 is spendy. Thanks for any help

Part# 690886 or 806023.

1989Marathon · 08-18-2015, 07:23 PM

14-20hp

raydhd · 08-18-2015, 10:13 PM

Which mikuni are you going to use?

smallblock450sl · 08-19-2015, 07:00 PM

Quote:

Originally Posted by 1989Marathon

14-20hp

Please help Briggs guru. Am I correct that the 2 barrel intakes use the same intake gaskets on the 20/21 and 23's? Part # 690950? If so this set up could be used on 20 to 23 HP engines? Thanks for help as alway's.

smallblock450sl · 08-19-2015, 07:01 PM

Quote:

Originally Posted by raydhd

Which mikuni are you going to use?

I believe it's a 31mm flat slide.

1989Marathon · 08-19-2015, 07:05 PM

Quote:

Originally Posted by smallblock450sl

Please help Briggs guru. Am I correct that the 2 barrel intakes use the same intake gaskets on the 20/21 and 23's? Part # 690950? If so this set up could be used on 20 to 23 HP engines? Thanks for help as alway's.

No, the 23hp motor has a longer distance between intake ports. It also has a different manifold(longer) with round ports. The 14-20hp has a "D" shaped port. Gasket number is 692035.

smallblock450sl · 08-20-2015, 09:02 AM

Quote:

Originally Posted by 1989Marathon

No, the 23hp motor has a longer distance between intake ports. It also has a different manifold(longer) with round ports. The 14-20hp has a "D" shaped port. Gasket number is 692035.

Thank you.

08-18-2015, 07:17 PM	#1
smallblock450sl Sometime's............ Join Date: Oct 2007 Location: Tacoma Washington Posts: 11,752	WTB, Briggs 2 barrel intake manifold Need a Briggs V-twin 2 barrel intake manifold. I believe 1989marathon said they can work on 14 tru 23's (sorry if I'm wrong). I have a build project for a single Mikuni and I need an intake for test fitting. I can get one from EC, but 107.00 is spendy. Thanks for any help Part# 690886 or 806023.

08-18-2015, 07:23 PM	#2
1989Marathon Gone Wild Join Date: Oct 2010 Posts: 6,730	Re: WTB, Briggs 2 barrel intake manifold 14-20hp
1989Marathon Gone Wild Join Date: Oct 2010 Posts: 6,730

08-18-2015, 10:13 PM	#3
raydhd VC 460 CLONE GONE WILD Join Date: Oct 2014 Location: Ray BY The Bay NJ Posts: 9,882	Re: WTB, Briggs 2 barrel intake manifold Which mikuni are you going to use?

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