Fazer Owners Club - Unofficial
Bikes, Hints'n'Tips => FZS600 Fazer => Topic started by: gerkin on 17 February 2013, 07:02:22 pm
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ok i will start
me no. ONE
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Start a poll, it will be easier to see the results :)
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As i said earlier mine fused itself on, but this was definitely to do with the problem so count me in, that's two.
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poll started
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Topics merged and tidied :D
Oh, and not me.
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What exactly do you mean by a loose front sprocket?
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My last fazer stripped the sprocket nut completely. Ill be checking this one soon.
Sent from my HTC One X using Tapatalk 2
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What exactly do you mean by a loose front sprocket?
I would imagine any problems relating to the original 9mm front sprocket nut, whether that's stripping the threads, welding itself on (like mine), totally disappearing, etc.
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Not me yet, but i'm now paranoid and will be checking it this week. ;)
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Checked mine the other day still on there. But have ordered the bigger nut and a new gasket.
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What exactly do you mean by a loose front sprocket?
http://foc-u.co.uk/index.php/topic,92.0.html (http://foc-u.co.uk/index.php/topic,92.0.html)
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Is the point of this to quantify the number of defects and then send the results to Yamaha UK so that in future any claims get viewed faourably?
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If you check the fix I put in the downloads section http://foc-u.co.uk/index.php?action=downloads (http://foc-u.co.uk/index.php?action=downloads) it has been downloaded 155 times, that would equate to at least 140 who probably had the problem if you exclude those who may have downloaded it out of curiosity.
The fix is still holding after 3250 miles. I would like to know if any of those who downloaded what I did have tried it.
I started a new topic http://foc-u.co.uk/index.php/topic,4546.msg45712.html#msg45712 (http://foc-u.co.uk/index.php/topic,4546.msg45712.html#msg45712) on the issues last September after finding my shaft was down to 2 threads and the issues I had with Yamaha to try resolving it. I finally got a little satisfaction in way of getting all the parts I required to repair it at half retail price in a take it or leave option after trying to get the half price on the trade price.
For anyone who might consider stripping the engine to replace the shaft this is the list of parts you will require. I am lucky enough in that I can undertake the repair myself which rules out the labour costs.
1 5DM-11181-00 GASKET, CYLINDER HEAD
1 5DM-11351-00 GASKET, CYLINDER
1 4HM-12213-00 GASKET, TENSIONER CASE
4 90430-10188 GASKET - OIL DELIVERY PIPE
4 3YF-14613-01 GASKET, EXHAUST PIPE
1 93210-12152 O-RING – CRANKCASE
1 90430-06166 GASKET – CRANKCASE
1 93210-06422 O-RING – CRANKCASE
1 4TV-15461-00 GASKET, CRANKCASE COVER
1 4TV-15462-00 GASKET, CRANKCASE COVER
1 93210-48364 O-RING – CLUTCH
1 4TV-17421-00 AXLE, DRIVE
1 93440-30077 CIRCLIP - AXEL DRIVE
1 93102-35368 OIL SEAL - AXEL DRIVE
1 90891-10124 SPROCKET NUT, WASHER, KIT
1 4JH-16340-00 PUSH LEVER ASSY
1 4YR-15427-00 COVER CAP
1 90890-85508-00 TUBE YAMAHA BOND 1215
For those who are wondering why it requires a full engine strip is that Yamaha in their wisdom put 2 crankcase bolts under the cylinder and the only way to get at them is to remove the cylinder
Even though I have the parts now, I will not do anything unless my fix fails. Interestingly I measured the threads on the new shaft and they measured 17.80mm. I found the measurements I took when my sprocket fell off originally and it was 17.35mm and my shaft at the moment is 17.2mm.
Obviously I am another who has the issue and I thought that this was done before when someone posted the issue on the old site with the same intentions in trying to get numbers to contact yamaha and it seemed to fizzle out. As far as I can make out I am one of the very few who got anything out of Yamaha in relation to the issue. It really renders a bike scrap as putting a seconhand engine is not a good fix since that engine may have the same problem. Hopefully my fix lasts and solves the problem for me once and for all.
Rant over for today :grumble :grumble
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me!
Been driving around for 1,500 miles unaware my sprocket nut and tab washer fell off.
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Technically no
But i changed it to the updated one anyway.
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+1 to above, no issues (84k on the clock!) but I've updated the nut anyways :)
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Is the point of this to quantify the number of defects and then send the results to Yamaha UK so that in future any claims get viewed faourably?
would the importers listen? they know the problem exists but claim ignorance when pushed on the subject!
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My sprocket nut went the other day, heard a bit of a knock so I took the sprocket cover off and no nut or washer, got a new one on order from Hayballs Yamaha in Salisbury for 8 quid, they said it will be the updated one but it probably won't be! :P
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is this just relevent to the 600 s or has anybody with the 1000 suffered with this loose nut issue
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It appears to be accross the 600 range only with the all 600 Fazers, R6 and Thundercats being the worst offenders.
There is no hard and fast rule of years or models of the above.
I have never heard of any of the 1000s giving this trouble
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I have have 5 FZS600s and a FZS1000 and haven't lost a front sprocket yet
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Lucky git
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None of my customers FZSs have ever lost the front sprocket nuts either :D
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None of my customers FZSs have ever lost the front sprocket nuts either :D
Buy a lotto ticket this weekend! :sun
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Buy a lotto ticket this weekend!
Nope, its merely a matter of doing the job right. I have been working on Fazers for years..... Ask any of the old guard on here as I have worked on most of their bikes at one time or another and have rebuilt more FZSs than I can remember.
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blimey one in three !!
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Buy a lotto ticket this weekend!
Nope, its merely a matter of doing the job right. I have been working on Fazers for years..... Ask any of the old guard on here as I have worked on most of their bikes at one time or another and have rebuilt more FZSs than I can remember.
If what you say is correct why did it happen to my bike and it had never been touched. Bought the bike new and 15000 miles later the nut went awol, sprocket came off the splnes onto the threads and lost all drive just after overtaking a car with my son on the back.
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If what you say is correct why did it happen to my bike and it had never been touched. Bought the bike new and 15000 miles later the nut went awol, sprocket came off the splnes onto the threads and lost all drive just after overtaking a car with my son on the back.
I can only speak for my own experience
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Had mine for nearly a year now, this is the first ive heard of it, i will be straight in the garage tommorrow checking mine, thanks for the heads up.
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My previous nut had been rust welded on! Had to lock the back wheel with a metal bar through it onto the swinger just to get it off! :eek Ordered the updated nut and washer from wemoto 2months ago and not had any problems so far(checked the other day) so no and no from me! :)
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Found mine was loose at 28000 miles though it had never been touched apart from cleaning. Treated the bike to a new chain / sprockets and had the dealer fit the new nut. Still fine at 40K...
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What constitutes doing the job right then? I replaced my chain and sprockets a couple of years back, new tab washer fastened over nice and tight, a dab of locktite and torqued to the right spec [ just not in that order !] . So far no trouble and nor do I expect any, but just in case, did I miss something ? if theres something else that needs to be done a bit of advice would probaly help a lot of owners out.
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What constitutes doing the job right then? I replaced my chain and sprockets a couple of years back, new tab washer fastened over nice and tight, a dab of locktite and torqued to the right spec [ just not in that order !] . So far no trouble and nor do I expect any, but just in case, did I miss something ? if theres something else that needs to be done a bit of advice would probaly help a lot of owners out.
If you are using the original nut, it was a very thin design with very little threads. In a lot of cases (nearly 50% on this forum alone), the nut over a period of time stripped itself regardless if you had your tab washer fixed properly or if you have it torqued or locktited.
You say "so far, no trouble and you expect none"........have you actually taken off the cover and checked it?? I was riding around for a known 1,200 miles doing speeds of up 100mph on occasions and when I heard about this I did a check for peace of mind. My nut and tab washer was gone!! It was only the Grace of God a maybe a little rust that kept the sprocket on!!
Don't ask the why's and hows...but believe me this does happen....a lot!! Now you could be one of those on the lucky side of the 50%....but you need to envisage your bike locking up at whatever speed and ask yourself....do you want to take that gamble on your life on a flimsy flawed nut design??
The first positive step is to get the new BIGGER nut and washer from Fowlers or from some vendor like that. Make sure that the part number is 90891-10124
Most people are happy to just fit the new nut job in the same manner as you already have described....but there are others who are a bit more paranoid and went a step further. See link below to a PDF download from the poster "Unfazed" and you will also get an idea of whats going on and his fix.
http://foc-u.co.uk/index.php?action=downloads;sa=view;down=43 (http://foc-u.co.uk/index.php?action=downloads;sa=view;down=43)
.....and see the next post for my Mickey Mouse effort with a little wire. Check your inside cover too. If it has a dampner fitted on the inside of the cover (see unfazed download for what a dampner is), then you are sorted. The sprocket will fit it hard to bypass the dampner.
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here you go...a bit crude, but it will work!! :eek
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Get those nuts changed lads/lasses better be safe than sorry ,but don't count on Yamaha UK (some dealers are helpful)don't want to know wrote to them 2weeks ago & no reply bunch of t***ers I have always purchased Yamaha but may try another brand next time.
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Get those nuts changed lads/lasses better be safe than sorry ,but don't count on Yamaha UK (some dealers are helpful)don't want to know wrote to them 2weeks ago & no reply bunch of t***ers I have always purchased Yamaha but may try another brand next time.
Like a Suzuki Bandit, Bandit? :D
Maybe we could forward the poll results to Yamaha and ask for a free upgrade? :b
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Spent best part of 2000 miles with nothing holding the front sprocket on but my guardian angel. :eek
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and yet this problem does not exist acording to thr importers
glad you found out in time :)
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Me as well, had new chain and both sprockets changed last September, garage rang me to say nut was loose and chewed up. thought it had just not been done up properly last time but obviously seems a common problem.