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- Tue Sep 06, 2016 6:12 pm
- Forum: REPAIRS and MODIFICATIONS
- Topic: Johnson 120 Looper Idle and Spark Plugs
- Replies: 3
- Views: 2339
A 1985 Johnson 120 Looper long shaft (J120TXCO) is mounted on a 18-foot boat. The last time the boat was out on the water was 9 months (November) ago but I run it on the muffs every six weeks. In May I re-did the carburetorss since the motor died a lot more than usual at idle on the November trip. I...