[Lifter Cam Issue on my SVTC]

Hi Chuck, I had that happen to mine back at around 7500 miles or so. Yamaha dealership apparently fixed mine right the first time as I now have over 15k miles on it with no further issues. However I did upgrade the oil to a full synthetic with Esther since then. Running YamaLube 20w-50 but some very sound science as well as oil reports make a great case for need of ZDDP due to the use of a flat tappet/cam setup on this bike and that it is acting against 2 valve springs not one. I have an oil change coming up in less than 1k miles and will be upgrading to Redline Motorcycle Oul 10w-40. Not cheap but had great ZDDP numbers as well as being an actual Goup V oil with esther.

 

Im surprised at your post. Just for clarification, are you saying they had to tear into your bike twice? Go through the threads here on the Venture.. I posted pics of my damaged lifter and cam. Let me know if that’s what you saw. Mine occurred in the rear cylinder.

 

my lifter was not near as bad as yours, mine was scored a little on bottom from not rotating in lifter bore. cams and lifters were put in set valves to 0 clearance , ran engine

and still had more top end noise than i thought should be there. I rode down the road at about 20mph at about 2000 rpm and just seems to have more chatter on top than

another venture I rode. so Idecided to double check what was just done and found front cylinder intake lifter not rotating.yamaha has not gotten back to me for an idea of

what to do next

[Lifter Cam Issue on my SVTC]

I started noticing more top end clatter checked valve clearance found front cylinder lifters not pumped up. pulled lifters found intake lifter scored along with cam lobe.

Intake lifter not turning in bore. yamaha replaced cams and lifters noise was still there. Is back apart and by the pattern on lifters the same lifter is not turning.

The bike has 6600 miles I have a small Yamaha dealership but do not sell bikes anymore. Have been working on bikes for 30 years