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Engine Mechanical TopicsDiscussion for motor builds, cams, head work, stripped bolts and other engine related issues. The good and the bad. If it goes round and around or up and down, post it here.
I cant answer that question -- I may be able to find out tho - I personally think its a lifter or a push rod --I am no engine guru but it seems like one of the two ! I thought about the rocker lockers but the noise is only at start cold in that specific rpm-- Is there a way to find out first before I spend another grand on it -- this is why Im asking questions on here first-- I appreciate all info from everyone -- I know its not easy to determine without hearing bike but Im sure enough guys on here have had there fair share of time working on harleys
No need to spend a grand. IIRC, your tech adjusted push rods? I am bettng he set preload at .100" or thereabouts, so increasing preload might help and would be the first thing to try. If that doesn't help, my money is on a bad lifter. Rocker Lockers are cheap; can't hurt, easy DIY project and eliminates the rocker shaft movement as a source of the noise.
Update --- had the pushrods readjusted plus he said he gave them one extra flat turn--- picked up bike and it didnt make ant ticking noise at all---started bike the next morning , nothing -- after work, nothing and for about the next 5 or 6 starts just like it is suppose to sound , no ticking thru the 1900 to 2300 rpm!!!
Yesterday I rode for about two hours had lunch and after an hour started up bike and it started ticking again at idle thru the rpm range for about 5 - 6 minutes then gone- rode two hours home !!
started bike today and now I have the ticking back at start up from 1900 - 2300 rpm again then stopped after about 4-5 minutes--- does it sound like lifters ??
I will ask him tomorrow ! Do you think it can still be pushrods after the 2 hour ride and then re start with ticking at all rpms ?? Im no pro just really confused and so are both the guys that work on my bike!
Update --- had the pushrods readjusted plus he said he gave them one extra flat turn--- picked up bike and it didnt make ant ticking noise at all---started bike the next morning , nothing -- after work, nothing and for about the next 5 or 6 starts just like it is suppose to sound , no ticking thru the 1900 to 2300 rpm!!!
Yesterday I rode for about two hours had lunch and after an hour started up bike and it started ticking again at idle thru the rpm range for about 5 - 6 minutes then gone- rode two hours home !! started bike today and now I have the ticking back at start up from 1900 - 2300 rpm again then stopped after about 4-5 minutes--- does it sound like lifters ??
Short answer is yes. You could turn another flat but the results would probably be the same. The lifters are bleeding down but then pumping up again. You could probably eliminate any ticking with a set of Johnson Hy-Lifts from WFO Larry but if the ticking stops as the motor warms up, why bother?
If the lifters are SnS premiums, I'd run them for a while. They'll get better. My theory is that they are slow bleed lifters and when cold there is so much drag on the plugger, that they don't recover until the oil gets hot. The Woods premiums are the same way. You can try increasing the oil pressure buy adding a stuffer spring to the relief valve, a spacer, or even the Axtel valve. It might help. Seating deeper also helps mainly because the plunger can only collapse so far. Don't know what the temps are in Ontario right now but you might want to try lighter oil.
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