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Jet Boats
General Jet Boat Discussions
Evinrude/Johnson 50/35 Jet Owners, Typical RPMs @ WOT?
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<blockquote data-quote="Canadian Dave" data-source="post: 440135" data-attributes="member: 21172"><p>Hi stinkfoot,</p><p></p><p>Just a word of caution. When setting your impeller to liner clearance to the tight side of the specified tolerance you first want to confirm that the pump's bearing assembly is in good condition and there is no deflection in the impeller. If you're running it on the tight side with deflection the impeller may be forced into your band new liner as the impeller spools up. Sadly this is from recent experience <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite10" alt=":oops:" title="Oops! :oops:" loading="lazy" data-shortname=":oops:" /> . I never had an issue when the motor would only run at 4500 rpm but once the trigger coil was repaired, and the motor was capable of spilling at 5000 rpm, there was contact . . . . solid contact. Arg!</p></blockquote><p></p>
[QUOTE="Canadian Dave, post: 440135, member: 21172"] Hi stinkfoot, Just a word of caution. When setting your impeller to liner clearance to the tight side of the specified tolerance you first want to confirm that the pump's bearing assembly is in good condition and there is no deflection in the impeller. If you're running it on the tight side with deflection the impeller may be forced into your band new liner as the impeller spools up. Sadly this is from recent experience :oops: . I never had an issue when the motor would only run at 4500 rpm but once the trigger coil was repaired, and the motor was capable of spilling at 5000 rpm, there was contact . . . . solid contact. Arg! [/QUOTE]
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Jet Boats
General Jet Boat Discussions
Evinrude/Johnson 50/35 Jet Owners, Typical RPMs @ WOT?
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