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Parts are easy to get, tho getting more expensive all the time. Beware of after market ignition parts, they don’t always work too well. Very easy to work on. No special tools needed. I have a 1953 and a 1954 RD15 and RD16 respectively. Both on boats and running. These motors seem to have more power than most 25hp outboards.
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1953 should have provisions for attachment of steering, throttle and shifting remote controls. If not there they are very difficult to add. Real plus if it comes with a tiller arm especially if you plan to start manually. Look at how it has been stored. Moisture damages the bearings and crankshaft. I run mine with earplugs. Distinctive LOUD sound. Simple as it gets once you are past the outer covers. Do not tighten spark plugs to factory specs!! (strips head). Requires the remote pressure tank and the fuel hose attachment fitting (tank side of tank to motor). Not having the tank/fitting can be expensive. Lower unit usually needs reseal. Needs coils, points, water pump minimum. Probably upper and lower crankshaft seals (must remove powerhead from the leg). My experience is plan on spending $200+ to resuscitate one. Love these engines. 1950s Rock!
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They seemed quiet to me after running some of the old drum muffler antiques. . . 😆
They only became noisy after they came out with the super quiet models in the mid ’50s.
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