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I was wondering what oil Mach Z 1000 riders are using and are they having plug or exhaust valve problems? BPR is recommending XP-S synthetic blend now and am wondering how many are running the full synthetic? I worry more about the oil issue than the spark plug problems.
 

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from a reputable source , the ski doo synthetics are showing some problems in our machines . this is only ski doo sythetics as of now i hear with this problem .

glad i have not used it !
 

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Doo blend in a RT Summit, no fouled plugs in >25 Hours.
Cutching is poor,,, but not fouled plugs, LOL.
 

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BlueMax said:
I was wondering what oil Mach Z 1000 riders are using and are they having plug or exhaust valve problems? BPR is recommending XP-S synthetic blend now and am wondering how many are running the full synthetic? I worry more about the oil issue than the spark plug problems.

[snapback]278225[/snapback]​
blue marble
 

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I used doo synthetic oil for the break in period and had fouled plugs almost every cold start, switched to shell advance synthetic and have not had a fouled since, I have 1100 miles on now.
 

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I think that XPS-II is made from corn syrup, or something. The bottom of my side panel is sticky and is turning my Reg. numbers gold. It is actually STICKY.
 
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