Author Topic: Dolmar 500V 4 stroke  (Read 5954 times)

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Offline Nathaniel Vansickle

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Re: Dolmar 500V 4 stroke
« Reply #20 on: May 01, 2014, 10:14:55 am »
The 246.4 and the attachment series  Dolmar  trimmers are a true 4 stroke with oil in crankcase and straight gas in the tank. they pump oil by crankcase pressure forcing oil through passages that have check valves for one way oil flow.
the 245.4 and 335.4 trimmers and the blowers don't have the check valve system...Honda system sounds similar to what these do.

the mtd, troybilt, Ryobi 4 stroke trimmers use a dipper system to just throw the oil around.

shindaiwa and stihl have 4-mix system which has no crankcase oil and instead uses mix gas to lube everything. I think they both had some problems in the beginning.
 We have a 4 mix stihl on the farm that is 8 years old or so and other than replacing the carb a couple times it has been great. Since the dolmar showed up it doesn't get used anymore though.


5105H and 6400H in stock

Performance Outdoor Equipment
performanceoutdoorequipment.com
Dolmar, Echo, Jonsered


 

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