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z155 valve clearance trouble...

23K views 32 replies 9 participants last post by  Fanboy  
#1 ·
I'm going through a bit of trouble with my z155 2013 ho. I'm currently setting my valves & i'm a bit stuck.

Someone said here:

Yep! I set mine cold. .006 is way too loose, drop to. 003-.004 and your tapping will clear up. I've ran those specs on 3 155z/ho stock heads, and also currently run it in my V2. Haven't had a valve issue to date (knock on wood) lol


But is that imperial or metric, because when i look at my feeler gauges the 0.03 feels like it's thinner than paper. I set mine to .10 on the outlet and i heard a huge tapping noise, took it down to .8 and it seem a tiny bit better, my inlet in on 0.08 and that seems fine to me?

Also off topic, anyone know what main i should be running on my Genuine VM 26 with a z155 because my 170 main absolutely drains my fuel.
 
#5 ·
Right as im being a retard i just want to make sure that im correct on this one.
So my feeler gauge says 0.03 and 0.04 not .003 .004?
And i will be setting my inlet to 0.03 and my exhaust to 0.04? Correct?
 
#9 ·
I will order them tonight but i have planned on going out tomorrow on the bikes. I already have x3 sets of feeler gauges, metric & imperial.
I just need to know what you lot are saying (.003 & .004) is on my gauges.
 
#10 ·
[h=1]cant go wrong with these
2 size Angle Feeler Gauge .002 and .003
Part No: W-57-8052
Location: 204A
[/h]



2 size Angle Feeler Gauge .002 and .003
Perfect for setting Valves on Pit Bikes












[h=1]2 size Angle Feeler Gauge .004 and .005
Part No: W-57-8053
Location: 204A
[/h]


2 size Angle Feeler Gauge .004 and .005
Perfect for setting Valves on Pit Bikes



 
#12 ·
#16 ·
Those gauges Tbolt has are the ones that I use for my 2013 155Z. Tbolts Tech Data also has the specs listed. I believe intake. 003. Exhaust. 005 if Im remembering correctly. In very cold weather Im running 20pilot 185main screw 1.5-1.75 turns out on my Vm26. Running like a champ.
 
#21 · (Edited)
I honestly have no idea about all that, I live in the UK and I've gone with what I've been told. Clip on the needle is 2nd from the bottom, 170 main and 27.5 pilot seems to absolutely drain my bike of fuel. I might try drop the back to the 25 tomorrow and play around with the air and fuel after I set my valves.

Update:
Just ordered some double ended feeler gauges at. 003 and. .004

Does anyone know for the meantime what that will be for my current gauges I have now in metric? Mine go up to 0.03 to 1mm,just need to know roughly what one I need to use until mine comes in the post?

Thanks for all the help guys, I appreciate it.
 
#20 · (Edited)
Update:
Just ordered some double ended feeler gauges at. 003 and. .004

Does anyone know for the meantime what that will be for my current gauges I have now in metric? Mine go up to 0.03 to 1mm,just need to know roughly what one I need to use until mine comes in the post?

Thanks for all the help guys, I appreciate it.
 
#23 ·
Update: Just ordered some double ended feeler gauges at. 003 and. .004 Does anyone know for the meantime what that will be for my current gauges I have now in metric? Mine go up to 0.03 to 1mm,just need to know roughly what one I need to use until mine comes in the post? Thanks for all the help guys, I appreciate it.
I will repeat dirtbiker188... Post number 3 has your answer...

R.R.N.S. - Rail Ruts Not S!u+s
 
#32 ·
Fanboy, when specifying a size anywhere, ALWAYS put either the inches notation (") or the metric notation (mm) after the number. I see so many kids on here not have a clue about this basic detail and it will lead to two pages of confusion for you as this has. First thing, find out what set of feeler blades you have, metric or imperial.