I have what I believe is known as idle hammer on my bike. Has 52000 miles and a loud noticeable knocking noise when at idle with the clutch lever released . Not on startup but after it's warmed up a little
Welcome to the site Lee. Although a similar issue didn't really appear until the 2006 model year on SV1000s, it would still be a good idea to open up your right side case cover and inspect everything. More details can be found in this excellent thread: https://www.sv-portal.com/forums/5-...-failure-possible-due-incorrect-assembly.html
Good luck! :niceone:
I solve this issue in a different way. The crank end thrust in the early DLs and 03 SVs (I have only seen it in 03s) I have measured as high as I think 0.015”!
A modification by machining parts can be made to set end thrust to a much smaller value. Many of the high performance engines I have built I have made this modification too. One big difference between the TLs and DL/SV is that you no longer have an internal shim to set end thrust. So you have to do it a different way.
I suppose correcting the issue closer to the starting point is always best, maybe our guy Lee Agee might be able to follow your leadings on that one.....
First, Idle Hammer does no harm. It can be annoying! I have offered my Idle Hammer Tamer for a 2-3 years. Price really didn't cover the time I was putting into them. They were all manually machined and ate time and material. I have set those aside for now. Working on a different direction where I machine the factory crank inspection plug and modify the factory rotor bolt. MUCH less machining. But those are not going to be ready for sale for a while, assuming they pass testing.
schmidt314 can do amazing things for these engines! What he does is what Suzuki could have done to start with but chose not too.
If I had an engine built it would be Michael that done it!
Idle Hammer Tamer just isn't a problem that I would tear an engine down for to fix. It doesn't do damage or cause a failure on the road. Now if I were wanting a bigger cc engine with all the work that goes into that, then of course I would want to "fix" the idle hammer.
I have seen a couple of early bikes that were fine also. If crank end thrust was tight from the factory, they won’t really open up much. The bad engines I have seen were relatively low miles with huge crank end thrust that I assume came from the factory.
I rode with other guys who had bikes that sounded like a dwarf from Lord of the Rings was banging away in there from new...
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