277-79431-01 Ignition Coil for Subaru Robin EX13 EX17 EX21 277-79431-11,20A-79431-01,SP170,SP210, Small Engine ZF-IG-A00120

**** The 277-79431-01 Ignition Coil has garnered mixed but generally positive feedback from customers who have used it for Subaru Robin small engines. Many users have praised it for its easy installation and effective performance, with some noting that it helped their engines start immediately after lengthy periods of inactivity. For instance, one customer reported that their engine, which had been sitting for 15 years, started on the very first pull after replacing the coil, highlighting the coil’s efficiency and compatibility. However, not all experiences have been seamless. Some users encountered challenges when their engines failed to run despite installing the new ignition coil. One reviewer pointed out that the coil could not rectify issues stemming from a broken piston ring, illustrating that while the coil itself may function correctly, it is not a catch-all solution for all engine problems. Despite minor concerns regarding troubleshooting, many customers appreciate the substantial cost savings compared to OEM parts; prices can be significantly lower with this coil than with manufacturer-direct replacements. Overall, the 277-79431-01 Ignition Coil appears to be a reliable option for those looking to revive their small engines without breaking the bank. **