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VFR800X Crossrunner
»
VFR800X Crossrunner Discussions
»
General Maintenance and Servicing
»
Is this normal for a front sprocket ?
06 Feb 23, 18:58 pm
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Is this normal for a front sprocket ? (Read 1665 times)
0 Members and 3 Guests are viewing this topic.
Lars
Crossrunner Member ‐
65
Topic Author
Lars
Crossrunner Member
Topic Author
Posts: 65
Bike: RC 80 - 2015
Country: Germany
Is this normal for a front sprocket ?
on:
October 03, 2020, 07:28:59 am
October 03, 2020, 07:28:59 am
Hello,
in my ongoing quest to find the source of my super annoying vibrations I took the cover off the front sprocket and noticed that the sprocket can be moved around on the driveshaft. The actual driveshaft is not moving, the bolt is tightened to spec.
Here's a video of what it does:
&feature=youtu.be
Apoloigies for the quality, I had to hold my tablet in one hand and the screwdriver in the other while trying to net get all that greasy dirt onto everything.
It does not feel like that is normal... What do you guys think about that ?
Lars
gatesy
Crossrunner Member ‐
78
#1
gatesy
Crossrunner Member
Posts: 78
Tyres down saddle up!
Bike: crossrunner
City / Town: Le Bosc Renoult
Country: France
Re: Is this normal for a front sprocket ?
Reply #1 on:
October 03, 2020, 01:15:34 pm
October 03, 2020, 01:15:34 pm
Definitely wrong.
Take it off and check driveshaft for wear right away, hopefully before damage has been done. Replace with only genuine Honda part everytime.
Fingers crossed.
John
Tel; 02 33 35 85 84 for TLC if in trouble or even in the area.
Code postale; 61470
Lars
Crossrunner Member ‐
65
Topic Author
#2
Lars
Crossrunner Member
Topic Author
Posts: 65
Bike: RC 80 - 2015
Country: Germany
Re: Is this normal for a front sprocket ?
Reply #2 on:
October 03, 2020, 01:44:11 pm
October 03, 2020, 01:44:11 pm
Hello John,
thank you for the feedback. In a way I am relieved that this is not normal because that would very much explain the vibrations I have been hunting the last months.
The bike is scheduled for a chain kit replacement on thursday. So far I have always used genuine Honda parts for everything and the new one is going to be an original part again.
If anyone knows a good way to ask the spirit of Sōichirō Honda that it really is just the sprocket thats busted please let me know.
Lars
Lampie
Crossrunner Member ‐
88
#3
Lampie
Crossrunner Member
Posts: 88
Hyper(pro) Crossrunner
Bike: vfr800x 2015
City / Town: Alphen ad Rijn
Country: Nederland
Re: Is this normal for a front sprocket ?
Reply #3 on:
October 03, 2020, 08:10:56 pm
October 03, 2020, 08:10:56 pm
imo it is wrong too
I replaced my chain and sprockets myself, and noticed there is no rubber anymore on the replacement sprocket.
Also the rim on inside and outside are different in hight.
First time , I mounted the lower rim on the inside... so you could read the numbers on the sprocket.
Well... wrong way arround,chain was whining like crazy.
Put the high rim towards the gearbox, should be OK
I have JT sprockets and a DiD chain (€ 105 + € 7 shipping)
You can buy OEM Honda Sprocket 23801MJMD00 about € 30 ebay, same amount for shipping if you can afford it
This is WRONG way, flip the sprocket for correct alignment of the chain
Last Edit: October 03, 2020, 08:15:47 pm by Lampie
ODO 73865 km
Jonnyteabag
Crossrunner Member ‐
72
#4
Jonnyteabag
Crossrunner Member
Posts: 72
Bike: VFR800X 2016
City / Town: Pendle
Country: UK
Re: Is this normal for a front sprocket ?
Reply #4 on:
October 04, 2020, 06:18:12 pm
October 04, 2020, 06:18:12 pm
You need to get that front sprocket off and check that the wear is on the sprocket, if it is then just replace with new and your good to go...but if there's wear on the shaft splines then depending on how bad you may find that a new front sprocket could still move back and forth under load even with the bolt tight.
I hope you're lucky..
Stay safe
JT
Crosspurpose
Crossrunner Pro ‐
113
#5
Crosspurpose
Crossrunner Pro
Posts: 113
Country: England
Re: Is this normal for a front sprocket ?
Reply #5 on:
October 08, 2020, 05:32:22 pm
October 08, 2020, 05:32:22 pm
I thought I’d check the sprocket on my CR today. It is was fine but I didn’t realise that the slave cylinder has a spring in it and that it can come out despite my not touching the clutch lever. A happy time was spent trying to bleed the cylinder manually. I did d it in the end but I think I’ll buy me a proper bleeder....Oh well, next time I’ll know to use an elastic band to stop the piston escaping
Lars
Crossrunner Member ‐
65
Topic Author
#6
Lars
Crossrunner Member
Topic Author
Posts: 65
Bike: RC 80 - 2015
Country: Germany
Re: Is this normal for a front sprocket ?
Reply #6 on:
October 10, 2020, 06:45:41 am
October 10, 2020, 06:45:41 am
Hello Crosspurpose,
I hate to tell you that but... you can push it back without bleeding the system. I personally had to because in a moment of absent mindedness I pulled the clutch to get it into 1st gear, followed by a eath shattering curse when I noticed what just happened.
You just need to put the cover back on as far as it gets use two thumbs and "gentle force". I too was hestitant to push it back in because it really needs a proper push but it works. Once you are over the initial resistance of the internal membrane ( I assume ) it slides back in quite easily.
also, UPDATE, the chain kit was replaced yesterday and thanks to the Honda spirits ( or their engineers, who knows ) the driveshaft took no damage and the chain part of my vibrations is GONE. I still have vibrations that were not there before and I will continue looking into that but the bike doesn't sound and feel like it is grinding gravel anymore.
Lars
Last Edit: October 10, 2020, 06:48:12 am by Lars
Skids
Crossrunner Master ‐
1685
#7
Skids
Crossrunner Master
Posts: 1685
Bike: 2018 800X
City / Town: Hitchin
Country:
Re: Is this normal for a front sprocket ?
Reply #7 on:
October 10, 2020, 08:11:25 am
October 10, 2020, 08:11:25 am
Good news Lars.
Keep us updated please.
98 VFR800 - 130,000 miles, 08 VFR800 - 76,000 miles, 15 VFR800X - 44,000 miles (all sold)
14 VFR1200 - 20,000 miles
18 VFR800X - 16,000 miles
01 VFR800 Fi-1 - 9000 miles
Crosspurpose
Crossrunner Pro ‐
113
#8
Crosspurpose
Crossrunner Pro
Posts: 113
Country: England
Re: Is this normal for a front sprocket ?
Reply #8 on:
October 10, 2020, 10:24:34 am
October 10, 2020, 10:24:34 am
Yes, glad the final drive issue is sorted. The problem I had was that most of the fluid had come out by the time I realised what had happened as I was attending to something else at my bench. So I thought I might as well remove the piston fully ( it had tilted in the bore, hence the fluid loss). I always have lots of water nearby when working on hydraulics so no paint damage occurred. All good now and further knowledge of my CR gained
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