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Top end tick, tick, tick noise.

Joined Jan 2007
390 Posts | 0+
Central Coast NSW Australia
Short history:
I went for a ride with a couple of guys I met and 1 of them turned up on an 03 fe501.
It took a bit to get going, once going would need throttle to keep it going, wouldn't e-start (not even turn over) at all and was a real mission to get it kick started. It was basically running like a piece of crap all day. Hesitant, stalling and like it needed some major carb work - which it probably does.
It was obvious he isn't very mechanical and when I asked him about maintenance he says he changes the oil and cleans the filters.

This bike really gave Berg a bad name and so at the end of the day I put my hand up to take a look at his valve adjustment and decomp systems.
His valves were way out - so I done them by the 1/6th method.
The kicker decomp cable was wound right out and so totally ineffective.
I had nothing to measure the lift of the auto decomp but it was opening the valves but it didn't look to be very much and so I suspect it's worn.
I adjusted the kicker decomp.

It kicked over easily and started on the 3rd or 4th kick. Heaps better than the 25th that it was doing earlier in the day.
Once warm it would kick over OK on 1st or 2nd kick. Still struggled a bit on leccy leg and wouldn't start.

Heres the main problem:
Once running it makes quite a noticeable tick, tick, tick sound that seems to come from the front left but I can't really be sure.
I thought that it was my fault leaving a valve loose and so took the covers off and checked them all again. They were all good.
Started the same, same result - tick, tick, tick.
For the record I've done my valves many times and never ended up with noises etc.
It's an unusual sound and I'm confident it isn't valve adjustment related.
The bike now kick starts easily, still runs pretty ordinary but heaps better than before.
The noise may have been there prior, I didn't really notice but wasn't really listening either.

Any suggestions / possible causes greatly appreciated.
Thanks in advance. Sorry about the long post.

Coops
 
as above. i would pull the pins out the rocker arms and roll around 180 degrees. then set tappets and start again! it is a test and not a cure.

regards

Taffy
 
One thing I have noticed on my 01 501 is that electric start works way better if you leave the battery on a battery tender type device. Sounds like he does minimalist maint and without keeping it on a charger it would take some hours of running to get the battery back up to full CC amps.

As well as what the others said.
 
It is also worth stripping the starter motor and checking the bush at the rear as they wear and prevent the armature rotating freely.
 
My 01 makes that noticeable tick-tick-tick noise but it does not seem to come from more than one side.

Does it seem to come up at every rev or sort of irregular intervals? It could indeed be the cam chain, or maybe a tiny elf you forgot in there and who wants to get out.
 
Its the start of the big end maybe. Mine was like that and it was the Conrod and Bottom Pin.
 
hey ... did yours vibrate at all when the big end went ?

my '' tide me over bike '' did a con rod a while ago , no vibrations ... just a ball bearings/ sea shells shaking in a tin can noise .

my counter balancer failure had a lot of vibration .
 
warning you said you tightend the valves, this is wrong the valves get tight not loose. you roller rockers are warn making the need to tighten the valve screws.... the ticking is the bearing flopping. you should immediately take of the rocker cover and check the roller rockers....once the ticking comes you have limited time... I have seen rockre arms fly though the rocker cover on bergs as they twist as the bearing fall apart. anyway hopefully this is not the case but a quick check will cost you less than a $100 to fix the rollers if they go the bike is a write off?
 
Thanks guys
Could be quite a few things then. Personally I couldn't live with it and have to keep searching till it was fixed but since it's not my bike I'll let him know the possibilities and see what he wants to do about it.
He got it 2nd hand and it's got 65 hrs on it - or so the odo says. I suspect it may have a few more.
I think it's due for a rebuild.

Froggy
Noise is always there but having said that we didn't run it for long as it was getting late and he had to drive home.
Do you know what's causing your noise for sure or are you waiting till it stops to find out?

Whosa
It kinda sounds too high for the bottom end. Sounds like it's up around the top cam sprocket. At first I was thinking the auto decomp may be doing it but I can't really see how it would. But hey I'm no expert so I'm open to all suggestions. I also don't wanna scare him too much
 
I do not think the big end has gone...big end noise is lower down and normally echoes in the exhausts, giving the ticking from in the exhaust, normally as you increase power.
I would go looking at...as everyone else is saying...the camchain or rockers.
 
Like fe600racer says, if valves are loosening its a sign of the roller followers going. Check/change them ASAP and don't ride it until then.

Steve
 
out of interest is it a constant speed tick or does it increase / decrease with engine speed / ground speed ?
 
steve said:
Like fe600racer says, if valves are loosening its a sign of the roller followers going. Check/change them ASAP and don't ride it until then.

Steve

I don't mean to contradict here, but, since my 04 550 was new, the intakes have always gotten tight, and the exhausts always get loose. I have 183 hours on the bike now.

Obviously there has to be some wear somewhere for the exhausts to go loose. I am going to check my followers very soon.

My question is that if this has been the case for the whole life of the bike so far, what else could cause the exhausts to get loose, and when I say loose, I mean like a 1/8th of a turn to come into spec.
 
They were right,

I checked my valves today after 8 hours from last adjustment when I found exhausts loose, the exhausts were loose again, not by much though. Pulled rocker box and found exhaust cam follower gritty, and is definitely worn out.

Coastie, pull the rocker box and have a look. It's an easy job. It will take more time to clean the two surfaces up for re assembly than it will to pull it off and check things out. All you have to take off is the tank and the breather hose. Mine was making the tick tick noise.

FE600 racer and steve were absolutely correct.
 
i noticed this tick tick sound in my bike and did not think much of it.

Then it started getting louder. So i took the rocker box of to have a look,
a inlet cam follower bearing was seized and the roller is all blue and ground
down and the cam has scratches on it.

so as a warning to anyone who is hearing tick tick sound.
 

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