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Old 11-16-2019, 07:00 AM
  #2567  
hpergm
 
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Join Date: Sep 2002
Location: Athens, Greece
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A friend bought the 7-90 gas version of the UMS. Sounds good but the open rockers are a nuisance (cowl off to lubricate and an oily mess splattered on the firewall) and adjusting the carb in parallel to the pump is neither easy nor stable. Adding to that, in case the pump fails the motor will quit. Power is less than the respective Saito (FG-90). All in all, the Saitos are far more user friendly, maintenance free and less things to go wrong than the UMS offerings. Just set and forget - despite all the literature in this thread. Just my 0.05.