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Proper spark plug...1997 Grand Touring se 700 triple


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#1 Goattman

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Posted 13 April 2021 - 10:24 AM

Hi,
Just picked up this sled used. It had BR9ES plugs in it. I don’t trust any previous owner to have used proper plug. I looked in Ski-Doo Service Manual and it doesn’t list plug for my specific model. Only other models with 700 triple and it says BR10ES. Touring models with other motors says BR9ES. Called Ski-Doo and they said follow owners manual and call dealer. Different dealers give different answers. Owners manual is same as SM and lists different models with same engine and same model with different engine.

The difference between the 9 and the 10 is two heat ranges causes NGK lists a 9.5.

I bought the sled not running. It’s running now. It needs lots of gaskets and boots replaced from age. Since I have never run the machine I have no baseline for plug readings.

Once I replace everything and have it running without any air leaks and rage cages installed I want to at least start with the proper plug.

Does anyone know for sure the proper plug for a 1997 Grand Touring se with a 700 triple?

Thanks!

#2 pma1123

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Posted 13 April 2021 - 10:49 AM

BR9ES @ .018" gap is what I would use. 

Also have been using BR9EYA @ .018" on Doo triples, but they cost a little more than the BR9ES option. 


Edited by pma1123, 13 April 2021 - 10:52 AM.

Fleet of Doo triples, couple twins too.


#3 Goattman

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Posted 13 April 2021 - 11:47 AM

What sled is this is? Do you have any mods?

Thanks

#4 396F/A

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Posted 13 April 2021 - 11:35 PM

Taken for OEM Ski-Doo spec book.

 

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Edited by 396F/A, 13 April 2021 - 11:47 PM.

67 Olympic 250,  69 Polaris Playmate 165,  71 TnT 340

72 Olympic 340 twin,  73 TnT 340 lunger racer,  74 TnT 400 F/A

97 Formula SL,  97 MXZ 500 FC

98 Formula Z 583 E-start reverse SC10-II 1.25" precisions,

99 Grand Touring 583, 02 Summit Heritage, 02 MXZ Salt Lake

Previous sleds of interest: 69 Olympic 320 SS, 70 TnT 292, 70 TnT 340, 71 Blizzard 246

72 TnT 775, 73 TnT 400 F/A, 3 - 74 TnT 400 F/A, 75 TnT 440 F/A

76 Sonic 250, 3 RV 340s, 78 Sonic 340

many, many garden variety late 60s & 70 Ski-Doo

 


#5 Goattman

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Posted 14 April 2021 - 06:11 AM

396- Thank you. This is what I was looking for.

#6 TheBearAk

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Posted 14 April 2021 - 03:37 PM

Parts list even shows the BR9ES.     Like PMA123 said, BR9EYA are also a good option.  Basically the same thing except it has a groove in the anode to help prevent fouling.   Arctic Cat uses them a lot.



#7 Goattman

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Posted 14 April 2021 - 04:22 PM

This is not my first rodeo. I have been working in the automotive service industry for 30 years. Both in the aftermarket and for an OEM. I also worked aftermarket parts for three years back in the day when parts people had a brain. You know when you walked in with a bearing off your wife’s blender cause you know most all bearings are standard, and want to order a bearing and the clown behind the counter didn’t ask “you what model of car?” “You don’t have a model?” “Can’t help you. Bearing book? No all we have is the computer. “

The Grand Touring Supplement 484 0647 04 refers you to the Formula III & Mach book 484 0647 02. That Service Manual states on page 05-04-01 “NGK spark plugs used on 1997 Bombardier snowmobiles covered in his manual — BR10ES.

The Owner Manual says a Touring Model w/o 700 triple takes a BR9ES and the Formula and MACH machines with the 700 triple take the BR10ES.

I didn’t ask cause I don’t know how to look the info up. I asked cause I found conflicting documentation from Ski-Doo and I am way to smart to rely on a dealer like they tell me too when I contact them (Ski-Doo).




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