250 Trailblazer new piston/decked head no power!

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#11

10-10-2010 | 03:33 PM

Twin LT80's

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Range Rover

Joined: Oct 2008

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Quote:

Originally Posted by old polaris tech

BR8ES is the correct plug for the 250. If you used a BP plug,it has an extended tip which could cause some problems as you described because the plug extends too far into the head, OPT

Thanks OPT, guess I better look closer b4 I start throwing in the wrong plug too many times. Glad there wasn't mechanical interference with the new piston!!!

We rode it around for about 20 mins. today and it is running great!!

Thanks for the input guys!

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#12

10-11-2010 | 09:38 AM

EPI Brandon

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Joined: Oct 2010

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The old plug was probably fouled. your still running to lean if you have to run with the airfilter of richin the jetting up pilot and main. Also run the highest octane pump gas avalible.

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