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spark plug gap 80 HP Rotax 912
Checking to see what folks are gapping their NGK DCPR7E plugs on the 80 hp 912 ul.
Thanks a lot,
Mark Donahue
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Senior Member
Re: spark plug gap 80 HP Rotax 912
Here are the specs I have:
Spark Plug NGK DCPR7E 12mm
Gap:
New: 0.6-0.7 mm (0.023-0.027)
Wear Limit: 0.9 mm (0.035)
Torque Plugs to: 20 Nm (177 in.lb.)
Ralph
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Re: spark plug gap 80 HP Rotax 912
Thanks Ralph,
For some reason I was thinking that folks reduced that gap a bit for easier starting/running.
But I cant trust my memory anymore.
Take care,
Mark
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Super Moderator
Re: spark plug gap 80 HP Rotax 912
I have a Zipper big bore on my 912UL. So it is a little different than stock. I am using DCPR8E plugs.
On Hal Stockman's advise, I gap at .022-.024". So, on the tight end or a little less than OEM spec. It has aided in cold starts and general idle quality.
I replace them annually regardless of hours so wear is not a factor.
Av8r3400
Kitfox Model IV
The Mangy Fox
912UL 105hp Zipper
YouTube Videos
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Re: spark plug gap 80 HP Rotax 912
Thanks, that was what I vaguely remembered.
Appreciate the info.
Mark
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