Loud cam chain noise/ sudden drop in acceleration - Kawasaki KLR 650 Forum
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post #1 of 2 Old 07-06-2018, 05:08 PM Thread Starter
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Join Date: May 2018
Location: Charlotte, NC
Posts: 35
Loud cam chain noise/ sudden drop in acceleration

Hey everyone, Riding in to work this morning around 5k rpm had a sudden loss in acceleration then back to normal. The engine now makes even more rattling noise/tweeting. Also sudden jerky power loss 3-4k rpm and engine shudder/vibration that goes with the power drop. Dropped it by a shop scared to drive it thought I might damage it more. Any ideas what's wrong?
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post #2 of 2 Old 07-06-2018, 06:13 PM
Join Date: Nov 2009
Location: Lander, Wyoming
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Could be that the Top / Rear engine balancer shaft bearings have come apart. Pull the flywheel and the inner cover to inspect all of the externally visible engine balancer chain, sprockets, guides and LH bearings.

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Still riding my 1987 KL650-A1. 85,000+ miles & counting
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