EVO All Evo Model Discussion

My latest evo problem

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Old

Sep 4, 2025 | 04:57 PM

#11

Spanners39

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Joined: Dec 2010

Posts: 7,736

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From: Coromandel Peninsula New Zealand

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Check timing, check all rubbers on the intake side, right up to the manifold to head seals, clean carby, move somewhere cooler.

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Old

Sep 4, 2025 | 08:46 PM

#12

98hotrodfatboy

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Joined: Mar 2010

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From: Poolville

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Quote:

Originally Posted by Hey Man

Plugs look good though the rear plug was a bit lighter than the front.

Very typical that the rear cylinder plug is lighter than the front only because the front cylinder gets better Cooling and the rear does not.. It'll always run hotter and because of that you will see a lighter plug..

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Old

Sep 5, 2025 | 06:42 AM

#13

Racepres

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Joined: Jul 2014

Posts: 8,636

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From: Cental, MI

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Quote:

Originally Posted by 98hotrodfatboy

Very typical that the rear cylinder plug is lighter than the front only because the front cylinder gets better Cooling and the rear does not.. It'll always run hotter and because of that you will see a lighter plug..

And...I was Taught the rear runs Cooler....for a Reason!

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