SPA engine options
#2
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All the YS 4 stroke engines have the Super-charger system on them...The YS 63 may be legal as it doesn't have the airbox, but you would have to check with SPA, they make their own rules.
Troy Newman
Team YS
Troy Newman
Team YS
#3
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I got a YS 61 ST1 just for the SPA. The engine is basicly new but the carb o-rings have dried out. I have found every YS 61 version manual except the ST-1 heli version.
Please does anyone have the 2 page manual to send a copy to me. I will pay if need be...........This is the metal regulator housing and 2 needle carb with idle set with reg screw.
Please does anyone have the 2 page manual to send a copy to me. I will pay if need be...........This is the metal regulator housing and 2 needle carb with idle set with reg screw.
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The older YS60 and YS61 2 stroke are all legal most of the 4 strokes are not. The YS63 4 stroke would be legal but you would be up against OS91's in a 60 size plane. If you got a 40-45 size plane the YS 63 would be fine.