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Swapped out my oil pump, cam and lifters because I Had a "cold start " lifter rattle for the last few thousand miles. Bike has about 24,000 miles on it, all stock internals. check out this pic of the best and worst lifter. I believe the cold start rattle beat out the hard surface by the looks of the wear going across the roller.
Although not an M8, the lifters in y 2016 RG went at 20,000 miles. I suppose pretty soon MOCO will consider them a "wear item." Junkiest lifters I've seen in 40 years of riding.
Pretty sure the lifter rattle in cold start didn't do anything to the lifter rollers. I have heard the cold and hot start rattle and think it's just cheap lifters pumping down. I also have seen lifters that make no noise look like yours. Just cheap crap lifters. Seeing it in automotive / truck stuff too. Not just MOCO........I know that doesn't help. But industry standard pffffft. Like cheap azz plastic intakes on everything now.
well even the owners manual says cold start lifter noise is normal..and think Steve Cole mentioned earlier that there are only a couple manufacturers of lifters in the US and it can be a crap shoot even on new replacement ones to get a bad one or not..our service manager said the same thing about bearings and lifters when I asked about upgrading to proactively prevent problems with the OEMs, that if there isn't a current problem do nothing, no guarantee the new 'better' ones won't fail...my strategy is just replace stuff as it fails under ESP, we've already had 3 wheel bearings under warranty..wish Toyota made motorcycles
well even the owners manual says cold start lifter noise is normal..and think Steve Cole mentioned earlier that there are only a couple manufacturers of lifters in the US and it can be a crap shoot even on new replacement ones to get a bad one or not..our service manager said the same thing about bearings and lifters when I asked about upgrading to proactively prevent problems with the OEMs, that if there isn't a current problem do nothing, no guarantee the new 'better' ones won't fail...my strategy is just replace stuff as it fails under ESP, we've already had 3 wheel bearings under warranty..wish Toyota made motorcycles
Not me, a day spent wrenching on my bikes is a good day. The cam in my 2017 lasted 15,500 miles, The lifters in this thread have about 24K miles on them and are flaking off the hard surface. I ride over 20K a year, would not have been good to have left them in there. Next year Ill open up the Cam Chest and have a look. Wife says if there is nothing wrong with my bikes I will invent something. Good Times!
3 wheel bearings thats a lot were was the work done how long ago what’s the status now.
that's over the course of a year between wife's and mine..all warranty, no problems now but we didn't have ANY advanced warning of them going bad..all were found upon inspection during tire replacement..happened to a buddy's 17 RK the same way
edit: sorry OP! allowed myself to get OT..there's a shocker
well even the owners manual says cold start lifter noise is normal..and think Steve Cole mentioned earlier that there are only a couple manufacturers of lifters in the US and it can be a crap shoot even on new replacement ones to get a bad one or not..our service manager said the same thing about bearings and lifters when I asked about upgrading to proactively prevent problems with the OEMs, that if there isn't a current problem do nothing, no guarantee the new 'better' ones won't fail...my strategy is just replace stuff as it fails under ESP, we've already had 3 wheel bearings under warranty..wish Toyota made motorcycles
guy I work out with just spent 2200 for the dealer to fix a bad valve on his Toyota pickup...just at 90k for miles. Every manufacturer has issues..some more than others unfortunately.
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Cam Chest
