CAN-AM (BRP) Discussions about CAN-AM ATVs.

one bad spark plug??

Old May 6, 2005 | 12:35 AM
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Default one bad spark plug??

working on another ds and the guy said it had poor power. it started and ran but was low on power. so i was messing with it tonight and did a few checks and found one plug had no gap! and didnt find any thing else. anyone run into this? did it do the same thing? i havnt tried it yet, still torn down.
 
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Old May 6, 2005 | 12:57 AM
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Default one bad spark plug??

never heard of it... maybe it was just a bad plug, not installed right or bad valves?
 
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Old May 6, 2005 | 01:05 AM
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Default one bad spark plug??

i guess what im trying to say is will it run ok with just one plug?
 
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Old May 6, 2005 | 01:22 AM
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Default one bad spark plug??

what compression is the motor your working on? When I was running the 12.5:1 I actually had the piston hit the spark plugs and close the gaps. I was running non oem plugs that where slightly longer than stock but the clearance issue forced me back to DR8EA's. Just a thought.
 
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Old May 6, 2005 | 01:28 AM
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Default one bad spark plug??

I have run ok with 1 plug
 
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Old May 6, 2005 | 02:37 AM
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Default one bad spark plug??

12.5-1 with dr8eix's. i should pull the other plug and look at that one also.
 
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Old May 6, 2005 | 04:56 PM
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Default one bad spark plug??

Yeah, it will work with one, as long as it is good. pull the other and see what it looks like.
 
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Old May 6, 2005 | 05:27 PM
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Default one bad spark plug??

When running alky, I had a bad plug, and I was racing all day, and new my DS was not running up to par, but I thought I had some bad ALKY, but that night at the Hotel, I pulled the plugs and one plug didnt have an electrode! LOL, I changed , and the next day I was putting 3-4 lenghts on the same guys I raced the day before.

They didnt believe me when I told them all I did was change plugs, LMAO!!

I'm sure running as much ALKY as I used to through twin 39 mills the ploblem was compounded, but IT does make a Performance difference to have both plugs working properly.



Bigger.
 
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Old May 7, 2005 | 12:38 AM
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Default one bad spark plug??

I agree, both plugs make a difference under a load!!!!!
 
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Old May 7, 2005 | 12:51 AM
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Default one bad spark plug??

He he he thats why they got 2 huh!!!!!!! Lmao!!!!just haven fun guys
 
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