TECH NOTES This Bearing is used in the following OS Max Engines: – 40 SF – 61 RF ABC HANNO – 50 FSR-H – 46SF – FS-70 Surpass – 61 SFN-H W/6B carb – 46 SF-P – FS-91 Surpass – 61 SFN-H ABC W/6B carb – 50 FSR – FT-120II Twin – 61 RF-H – […]