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stihl ms 170

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art2936
Join Date: Aug 2013
Posts: 2 Melbourne Australia
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2013-08-14          187851

hi there,
I have a little saw stihl ms170 has a frustrating problem at start up, it need about 12 pull to start up after that, star
perfect as long as it is warm after few hours the same problem, other than that works perfect,checked electrical fine, air filter, spark plug,new,new kit in the carby, fuel filter and line o.k other than that it works perfect
any idea guys


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stihl ms 170

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kwschumm
Join Date: Feb 2003
Posts: 5764 NW Oregon
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2013-08-14          187853

How old is the gas? With today's gas you can expect it to be good for about a month without a preservative like STA-BIL, maybe a few months with that. Really, it makes a huge difference. I have a MS 170 and love it but it does love fresh gas. ....

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stihl ms 170

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Murf
Join Date: Dec 1999
Posts: 7249 Toronto Area, Ontario, Canada
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2013-08-15          187854

Further to the above, be aware that for a 2 stroke engine you should be using marine formula Sta-bil for best results.

It has an additional component that combats the tendency of the Ethanol to cause the oil to separate from the gas. It also does better at preventing moisture absorption.


Best of luck. ....

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