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My left grip does not warm anymore. I cleaned the connection under the tank, but that did not fix it. It's summer here in the USA, so it won't be an issue until the fall and I have time to figure it out. I have found new grips sold as pairs and used grips that can be purchased as singles. I'll likely buy a used grip to start.Eric
I am on my 3rd set on my Norge.I just carefully cut a slot in the rubber ones and peeled them off. These are the ones I put on.The heat seems to permeate these pretty well.