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Ignition Lock Issue - Key Suddenly Very Hard To Turn, Clockwise Only?

ignition lock key turn rotate clockwise hard

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#1 pazof

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Posted 09 November 2018 - 01:15 pm

Hi all,

 

It's been a couple of days now that all of a sudden I am having a very hard time rotating the key in the ignition lock to start the bike. Like from one day to another, just like that. And it's so bad I'm half expecting the key to break every single time.

 

What I find weird is that the key is hard to rotate only when turning it clockwise, so when trying to start the bike - turning it counter-clockwise to kill the engine or lock the handlebars is as smooth as ever.  :unsure2:

 

I've tried all sorts of sprays, silicone, teflon, you name it, but to no avail. (Haven't tried WD40 yet because as I understand it it can be harmful for the lock (?) )

 

Bike is kept indoors, so I highly doubt it may have been caused due to rain or something...

 

Would greatly appreciate some opinions and/or advice as to how to tackle this. Thanks to everyone in advance for your time.

 

Bike is a 2004 TDM900 RN11.


Edited by pazof, 09 November 2018 - 01:16 pm.


#2 fixitsan

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Posted 09 November 2018 - 02:01 pm

The Yamaha key wiggle is well known to help. If the lock is lubricated well, like yours, it is wear in the lock wafers. Mine is terrible, you just cannot turn it on like normal and have to wiggle the key around prior to turning and then it slips across easily


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#3 TKH

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Posted 09 November 2018 - 02:26 pm

Are you struggling to turn it from the steering being locked? I pour light oil down mine every few weeks and do the petrol locking cap at the same time. Wasn't aware WD40 would cause a problem especially as there are contacts in the barrel (someone will be along shortly to explain if there is)  maybe there are some seals in there that WD40 could damage?. I would have thought silicon, etc would potentially be harmful as they could coat contacts.

 

One problem I have is that sometimes the key won't turn. I just take it out and put it back in and it usually works. 



#4 Studley Ramrod

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Posted 09 November 2018 - 02:45 pm

You could try the old 'rubbing a pencil on yer key' trick.


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#5 thelodger

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Posted 09 November 2018 - 03:38 pm

Try pulling the key top gently towards you as you  turn the key.  

 

I don't know why its not a good idea but a decent mechanic ( not me then ) told me not to use WD40 in an ignition barrel



#6 Apache

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Posted 09 November 2018 - 04:13 pm

TKH..I pour light oil down mine every few weeks



Yup, tip of the key in to open it up,two drops of 10/40 every oil change...never had a problem

Edited by Apache, 09 November 2018 - 04:14 pm.


#7 dandywarhol

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Posted 09 November 2018 - 06:43 pm

Graphite grease (yer pencil) - WD40 attracts moisture I'm told


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#8 fixitsan

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Posted 09 November 2018 - 07:51 pm

Locksmiths use graphite powder, you can buy it easily enough. If you used loads of it there is a slim chance it could shirt the bottom electrical contacts, but excess powder usually blows away


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#9 spike240

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Posted 09 November 2018 - 09:16 pm

I had this problem with my 900 Divvy.
I was told - if you push the key forward before turning the key, helps.
In my case it did help for a while. But I ended up fitting a new ign lock, as I didn't want to be stranded.

#10 Bro57

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Posted 10 November 2018 - 03:50 pm

Never use oil in a cylinder lock, it will hold on to the dirt.
Only use graphite.



#11 Apache

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Posted 10 November 2018 - 04:39 pm

Never use oil in a cylinder lock, it will hold on to the dirt.
Only use graphite.


Been doing it for 45 years...never had a lock fail mechanically or electrically

#12 7inarow

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Posted 11 November 2018 - 11:31 am

This is a Yamaha thing that goes back to the side mounted ingntion switches on race bikes and then older bikes it’s a subtle lock to stop the key from falling out.
A slight pressure towards the outer edge, your feel a slight spring to the key then turn clockwise.

Hope this helps,

#13 TKH

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Posted 11 November 2018 - 01:11 pm

Been doing it for 45 years...never had a lock fail mechanically or electrically

 

Maybe same as me Apache in that regular oiling flushes out old oil and dirt?


This is a Yamaha thing that goes back to the side mounted ingntion switches on race bikes and then older bikes it’s a subtle lock to stop the key from falling out.
A slight pressure towards the outer edge, your feel a slight spring to the key then turn clockwise.

Hope this helps,

 

Will give it a go today.



#14 pazof

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Posted 12 November 2018 - 11:25 am

Hi all, and apologies for the late reply. The pulling the key towards yourself method finally did the trick, combined with some more silicon spray down the lock. One has to kinda tilt the key towards the tank a bit when the key is at the OFF position, and then it turns completely smoothly.

 

At first I falsely interpreted this bit as pulling the key towards the outside of the lock (as if to remove it) and not towards the tank, which achieved nothing of course. Just as a note of clarification in case someone else has the same issue sometime.

 

Now I'm a bit worried whether the constant tilting of the key/lock will cause some other damage in the long run, but I don't see much I can do about that. Still beats me though how this came to be, from one day to another...  :unsure2:

 

Thanks again to everyone for your time and advice.



#15 keithrzv500r

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Posted 22 May 2019 - 05:27 pm

hi i have a 2003 tdm 900 

does any one know were i can get a new ignition barrel and keys

i have checked with dealer and they say its discontinued??

i would guess yamaha use this part on a number of models

 

any help will be appreciated

 

thanks keith



#16 harvey krumpet

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Posted 22 May 2019 - 09:52 pm

Never use oil in a cylinder lock, it will hold on to the dirt.
Only use graphite.

Yup, this is the reason I was given for not using a liquid lubricant. That was 40 years ago, I guess ignition barrels have improved since then.

I use a product called LP1 to lubricate lock barrels. It's like WD40 and such, but is not kerosene based so does not break down existing lubricant and leaves a fine light film of oil.


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#17 Johnners

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Posted 23 May 2019 - 08:50 am

My key is a sod to turn as well, bit of a jiggle normally sorts it and lubricating does help a bit

#18 Studley Ramrod

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Posted 23 May 2019 - 08:58 am

hi i have a 2003 tdm 900 

does any one know were i can get a new ignition barrel and keys

i have checked with dealer and they say its discontinued??

i would guess yamaha use this part on a number of models

 

any help will be appreciated

 

thanks keith

 

Try here, not sure if they're in stock or not as I don't understand muchios Francais. https://www.gn-moto....rure-selle.html

 

Also not sure if a 2002 barrel will be suitable for your 2003 bike.


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#19 Nog

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Posted 23 May 2019 - 10:52 am

 

Also not sure if a 2002 barrel will be suitable for your 2003 bike.

 

It should be ok - They didn't add YISS etc till later and I think the first set of wiring changes happened in 2004 (e.g. removed the headlight switch as on with the engine for EU regs), so 2002 and 2003 should be pretty interchangeable.



#20 keithrzv500r

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Posted 23 May 2019 - 12:16 pm

hi thanks for info but part sold on that site

I was hoping someone may know what models use same ignition lock as Yamaha must use them on a couple of bikes

a French site says its the same as a 2002/3 r6 or fzs1000/600 not sure

 

any help or were I can get one with keys will be great

 

thanks again





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