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  #1  
Old 13th May 2018, 04:38 PM
ShaneAnze ShaneAnze is offline
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Biker.ie Member No. 35988 from Galway
36 posts since Apr 2016
Motorbike: Yamaha YZF600R Thundercat
Modifications: Lets keep her basic ;)
Default Thundercat problem

Hey

So iv just started getting back on the bike again after it was stored up for the past 6 months. I gave it a service about a month ago and brought it into where I live today. I noticed that it was making a very weird noise something like a farting noise so I pulled over and checked everything was ok. Noticed that the oil level didn't seem to be reading full and so had to continue on until I reached home. Only went up 50km and stayed in fourth.

Topped up the oil when I got home and seemed ok on idle(seemed ok during take off the first run too). After getting into second gear it started making the noise again.

I'm not sure what's after happening or what could be causing the issue so hoping someone here could give some advice?

Another thing to note is that I changed the clutch cable at the same time as the service

Cheers
Shane
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  #2  
Old 13th May 2018, 04:43 PM
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ciderking ciderking is offline
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Biker.ie Member No. 9750 from Cork
2,144 posts since May 2008
Motorbike: ZX12R,GSXR11,Vmax,Monkey
Modifications: Loads
Default Re: Thundercat problem

Is the noise in it only when riding it or parked up...... Did you change the plugs and are you sure you tightened them
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  #3  
Old 13th May 2018, 04:49 PM
ShaneAnze ShaneAnze is offline
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Original Poster of This Thread Topic Starter
 
Biker.ie Member No. 35988 from Galway
36 posts since Apr 2016
Motorbike: Yamaha YZF600R Thundercat
Modifications: Lets keep her basic ;)
Default Re: Thundercat problem

the noise is only there when its riding. Yes i changed the spark plugs at the same time. I think i tightened them up fully but i will pop down now and double check. Though just realised whats the number the HT leads need to be in? i have them at 1234 going from the left side?
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  #4  
Old 13th May 2018, 05:06 PM
ShaneAnze ShaneAnze is offline
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Original Poster of This Thread Topic Starter
 
Biker.ie Member No. 35988 from Galway
36 posts since Apr 2016
Motorbike: Yamaha YZF600R Thundercat
Modifications: Lets keep her basic ;)
Default Re: Thundercat problem

just had a look there ciderking. turned out that 1 and 2 plugs are a little loose. gonna have a test ride there in a short while to test :/
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  #5  
Old 13th May 2018, 05:10 PM
scorpy's Avatar
scorpy scorpy is offline
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932 posts since May 2007
My Motorcycle Pics Motorbike: XJSXVCRFLH2890
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Default Re: Thundercat problem

That'd do it ok. Careful torqueing them up.
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  #6  
Old 13th May 2018, 05:21 PM
ShaneAnze ShaneAnze is offline
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Original Poster of This Thread Topic Starter
 
Biker.ie Member No. 35988 from Galway
36 posts since Apr 2016
Motorbike: Yamaha YZF600R Thundercat
Modifications: Lets keep her basic ;)
Default Re: Thundercat problem

Just tested it there. No good still odd noise and lack of power. She is iffy on taking off now too :/
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  #7  
Old 13th May 2018, 05:35 PM
ShaneAnze ShaneAnze is offline
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Original Poster of This Thread Topic Starter
 
Biker.ie Member No. 35988 from Galway
36 posts since Apr 2016
Motorbike: Yamaha YZF600R Thundercat
Modifications: Lets keep her basic ;)
Default Re: Thundercat problem

Come to think of it would the petrol in it cause an issue? I havent put any fuel in it since January
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  #8  
Old 13th May 2018, 06:05 PM
rdtz rdtz is offline
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603 posts since Jan 2008
Motorbike: Honda CB1100R
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Default Re: Thundercat problem

Originally Posted by ShaneAnze
the noise is only there when its riding. Yes i changed the spark plugs at the same time. I think i tightened them up fully but i will pop down now and double check. Though just realised whats the number the HT leads need to be in? i have them at 1234 going from the left side?
This is incorrect,will have a look at my YZF manual,should be the same...
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  #9  
Old 13th May 2018, 06:09 PM
jic44's Avatar
jic44 jic44 is online now
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1,927 posts since Oct 2009
Motorbike: ZXR 400 #66. Speedfight 2
Modifications: Cams,Flat slides, CR Gear
Default Re: Thundercat problem

Originally Posted by rdtz
This is incorrect,will have a look at my YZF manual,should be the same...
Careful. One of you is talking about the firing order the other the order the leads go on. They go on 1234 with a firing order of I presume 1342.
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  #10  
Old 13th May 2018, 06:19 PM
ShaneAnze ShaneAnze is offline
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Original Poster of This Thread Topic Starter
 
Biker.ie Member No. 35988 from Galway
36 posts since Apr 2016
Motorbike: Yamaha YZF600R Thundercat
Modifications: Lets keep her basic ;)
Default Re: Thundercat problem

The order that i have them in is:
Outside left: 1
Inside left: 2
Inside right: 3
Outside right: 4
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  #11  
Old 13th May 2018, 06:46 PM
Gixxer's Avatar
Gixxer Gixxer is online now
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Biker.ie Member No. 19392
12,855 posts since Nov 2009
Motorbike: NSU Quickly
Modifications: Lobotomy
Default Re: Thundercat problem

The left coil connects to cylinders 1 and 4, and the right coil to cylinders 2 and 3.
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  #12  
Old 13th May 2018, 06:50 PM
ShaneAnze ShaneAnze is offline
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Original Poster of This Thread Topic Starter
 
Biker.ie Member No. 35988 from Galway
36 posts since Apr 2016
Motorbike: Yamaha YZF600R Thundercat
Modifications: Lets keep her basic ;)
Default Re: Thundercat problem

Sorry to sound like an idiot but could you fill out the ht lead position like the way I did above? Just slightly confused by your terminology thanks
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  #13  
Old 13th May 2018, 07:08 PM
Gixxer's Avatar
Gixxer Gixxer is online now
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Biker.ie Member No. 19392
12,855 posts since Nov 2009
Motorbike: NSU Quickly
Modifications: Lobotomy
Default Re: Thundercat problem

Originally Posted by ShaneAnze
Sorry to sound like an idiot but could you fill out the ht lead position like the way I did above? Just slightly confused by your terminology thanks


1 and 4 are the two outside cylinders. 2 and 3 are the middle two cylinders.

If you're sat on the bike, 1 is the far left cylinder and 4 is the far right.
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  #14  
Old 13th May 2018, 07:09 PM
ShaneAnze ShaneAnze is offline
Novice Racer
Original Poster of This Thread Topic Starter
 
Biker.ie Member No. 35988 from Galway
36 posts since Apr 2016
Motorbike: Yamaha YZF600R Thundercat
Modifications: Lets keep her basic ;)
Default Re: Thundercat problem

Ah thanks thats makes sense now haha. Ya those are the positions that I have them connected to
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  #15  
Old 13th May 2018, 09:50 PM
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scorpy scorpy is offline
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Biker.ie Member No. 5615 from North West
932 posts since May 2007
My Motorcycle Pics Motorbike: XJSXVCRFLH2890
Modifications: Yeah. A few.
Default Re: Thundercat problem

It wouldn't run if you screwed up the plugs. Or run horribly. Occhams razor says the simplest explanation is correct. So you changed something. Something needs correction. I recently did a cage light failure.... No other explanation, it's a bulb is failed. Fucking fuse. Same on my Chop. Main fuse failed. The simplest explanation is normally correct. Don't try to make it harder than it needs to be. Fuel. Air. Spark.
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  #16  
Old 13th May 2018, 10:14 PM
ShaneAnze ShaneAnze is offline
Novice Racer
Original Poster of This Thread Topic Starter
 
Biker.ie Member No. 35988 from Galway
36 posts since Apr 2016
Motorbike: Yamaha YZF600R Thundercat
Modifications: Lets keep her basic ;)
Default Re: Thundercat problem

I'm ruling out the spark plugs after tightening them up and making sure the leads are in the right order. Especially when there new. I'm actually thinking it could be water in the fuel, saw a video with a guy with water in the tank and it sounded the same...
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  #17  
Old 13th May 2018, 11:02 PM
mrdimreaper mrdimreaper is offline
MotoGP Legend
 
Biker.ie Member No. 13781 from de county Galway
1,331 posts since Dec 2008
Motorbike: yamaha tzr250,and superexup
Modifications: all
Default Re: Thundercat problem

gimme a bell tomorrow shane and we'll sort it out,u still got my number?
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  #18  
Old 14th May 2018, 08:33 AM
ShaneAnze ShaneAnze is offline
Novice Racer
Original Poster of This Thread Topic Starter
 
Biker.ie Member No. 35988 from Galway
36 posts since Apr 2016
Motorbike: Yamaha YZF600R Thundercat
Modifications: Lets keep her basic ;)
Default Re: Thundercat problem

Hey Bob. Forgot I had your number 😂. The only thing is I'm living in cork and not Galway now which might be an issue 🤔
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  #19  
Old 14th May 2018, 10:58 AM
motoxyogi motoxyogi is offline
Clubman
 
Biker.ie Member No. 17170
131 posts since Jul 2009
Motorbike: Mille R, CBR250R (MC19)
Modifications: 1 tool onboard
Default Re: Thundercat problem

Did any of the crankcase breather hoses get disconnected? Like the ones that usually run to the airbox?
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  #20  
Old 14th May 2018, 11:20 AM
chopper's Avatar
chopper chopper is offline
vintage biatch
 
Biker.ie Member No. 1841 from meath
53,742 posts since May 2005
My Motorcycle Pics Motorbike: jap brit and euro
Modifications: mud
Default Re: Thundercat problem

just so ya know.dont check oil just after the bike was ridden... the oil level will read low. check it cold. if theres too much in there itll push it into the aircox and then it starts getting into the carbs/tbs and starts burning in cylinders.
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