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Picked up a 91 1680 for a second machine, first question is about the high idle. The original manual states 2680 to 2740rpm no load and the manual supplement is 2380 to 2440rpm, which is correct? It runs 2700 no load right now(as we bought it). Second question is if anybody has turned up the bosch mw pumps themselves, we had the dealer do the pump work on previous 21 and 2388's and would just like a few more ponies than the rated 235. How many turns and the procedure for going about it. This is a great forum lots of knowledge here....Jason
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