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F3 Front Sprocket Inspection

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Why are you using 2 different Krickets- Pictures and explanation Please. If you are using the Standard Kricket Ron sells and we All use you are not going to vary 100 Pounds from JUST an inch off the ground to ON the ground and If its 180 on the ground you have not taken the New standards Seriously? Happy New Year!!!

Sarge, re the gauges, there are two Krikit guages you can buy. One measures from 0-150lbs, and another measures from 100-300lbs. That is most likely why RR needs two different guages.

Pete
 

https://youtu.be/z11wfc-0-hY

The larger gauge should be used for ON or OFF the ground for consistency and they are designed for different belts.
Any test- TO BE CONSISTANT- Must use the same Gauge!
The tension on the F3 should be MUCH lower than 180 Pounds because High tension contributes to the problems-
Lastly JUST because you take off the cover and see some Red dust Does Not mean your Sprocket is Toast -
To find out for sure you have to Buy the $10 Bolt and take it off and look at the sprocket and if its fine Put the NEW bolt on to the proper torque?

I have my belt to 120 Pounds and the Belt rides right in the Middle of the front sprocket -which to me means its putting equal pressure on the front sprocket.

I think tensioners are a waste of time and contribute to the sprocket problem BUT do whatever you want- I'm moving on!nojoke
 
Just because you see a Little Red Rust does NOT mean its Grenading? Mine had rust see Pictures way back and the sprocket was fine at 9,000 miles? If your concerned by the $10 bolt and take the old one off and Look- If its OK install the New Bolt to the proper Torque. Your Belt should be MUCH lower than 180 with the cricket reading . More like 90-120? I settled on 120 pounds on mine Off and On the ground because with the 2 Up shock the difference OFF and ON is minimal because its very stiff!


appreciate your opinion,
never said it was "Grenading" because of a "Little Red Rust".

With 3100 miles I should see no rust, zero, none-period. There are several comments in this thread about 10,000-20,000 plus miles and no rust. I think that is acceptable. At 3100 miles, it is not acceptable to me.

I have no concern about "the $10 bolt" and were I to install a new one you can rest easy, it would be at the proper torque. The bolt secures lateral movement and the splines control rotational movement. I get that.

I will, because of the relative newness of the machine, let the dealer have a look and resolve the issue of the rust.

Your comment on belt tension may be valid. However, opinions on this point vary widely on this site.
Getting the same tension with the rear wheel both on and off the ground, as you did, seems impossible to me. Likely I will reduce from the 180 when the pulley issue is addressed.
 
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People are losing grip on reality.

365 posts?
over 22,000 views?

I fail to see what the big problem is.....

Once every 5,000 miles spend 5 minutes of your time and remove the sprocket cover and have a "looksee".
If you see red dust call your dealer and have it replaced......free under warranty or a cheap fix if not.
My sprocket was covered in red dust with 19,000 miles on it and my tech told me it wasn't even close to failure.

I don't blame BRP for voiding warranties of those who are changing the specs and experiencing issues.nojoke
 
365 posts?
over 22,000 views?


My sprocket was covered in red dust with 19,000 miles on it and my tech told me it wasn't even close to failure.

Lets just say those with experience with this issue disagree with your 'tech'. If the pulley was covered in red rust, that is metal from the splines and no where else. They are far closer to failure than you can imagine. Once they start wearing and depositing red rust dust on the pulley, the rust causes the wear to accelerate and its a pretty fast down hill spiral from there.

If there is a coating of red iron oxide dust and your tech tells you its fine and will not replace the pulley, go elsewhere and get it fixed or at least carry great roadside assistance plan to pick you up when you get stranded.
 
Lets just say those with experience with this issue disagree with your 'tech'. If the pulley was covered in red rust, that is metal from the splines and no where else. They are far closer to failure than you can imagine. Once they start wearing and depositing red rust dust on the pulley, the rust causes the wear to accelerate and its a pretty fast down hill spiral from there.

If there is a coating of red iron oxide dust and your tech tells you its fine and will not replace the pulley, go elsewhere and get it fixed or at least carry great roadside assistance plan to pick you up when you get stranded.


I agree 100%. Even removing the bolt no one, any tech included, can determine how much fretting has occurred and how long the splines have left before they grenade. Since there is no taper on the splines (read previous posts about front sprockets being installed backwards) the bolt has nothing to do with the spline fit to shaft, other than to hold it in place. If it was tapered, re-torquing the bolt would push it farther onto the shaft and compensate for any wear. Since that is not the case, doesn't matter how many new bolts you throw at it, it will not change the spline wear (red rust). This is why BRP to my knowledge has not refused to replace any sprocket showing the red rust.

Bottom line: If it is showing red rust, it will fail at some point in the future. Insist on it being replaced.
 
"Ignorance is bliss" someone once said and the ignorants have been warned - or to loosely quote a not-so-famous poet: 'we are wasting our sweetness on the desert air.'
 
Lets just say those with experience with this issue disagree with your 'tech'. If the pulley was covered in red rust, that is metal from the splines and no where else. They are far closer to failure than you can imagine. Once they start wearing and depositing red rust dust on the pulley, the rust causes the wear to accelerate and its a pretty fast down hill spiral from there.

If there is a coating of red iron oxide dust and your tech tells you its fine and will not replace the pulley, go elsewhere and get it fixed or at least carry great roadside assistance plan to pick you up when you get stranded.

BRP fixed my sprocket under warranty, he never even hesitated at its replacement.
I never saw the interior of my sprocket, I was simply stating what he told me after the replacement.
I just feel that this thread is grossly over the top compared to the actual issue.
I don't think 5 minutes of your time every 5,000 miles to have a "looksee" is a major issue.
I feel its a cheap and fast fix should you experience "red dust". :yes:
 
BRP fixed my sprocket under warranty, he never even hesitated at its replacement.
I never saw the interior of my sprocket, I was simply stating what he told me after the replacement.
I just feel that this thread is grossly over the top compared to the actual issue.
I don't think 5 minutes of your time every 5,000 miles to have a "looksee" is a major issue.
I feel its a cheap and fast fix should you experience "red dust". :yes:

If you never saw the sprocket and he said it was No where near the failure point How do you really know if he replaced it? "Just Sayin?":hun:
Dealers have been know to do a $800 Valve check on older models that never got done.
 
If you never saw the sprocket and he said it was No where near the failure point How do you really know if he replaced it? "Just Sayin?":hun:
Dealers have been know to do a $800 Valve check on older models that never got done.

I don't.
I don't know if he actually changes the oil or if he is adding the BRP oil.
I don't know if he is checking everything as listed on the service schedule as mandated by BRP.

....but if he wants to keep me as a customer he needs to keep me satisfied. :thumbup:
 
Add me to the list

51CAC6AA-8A42-4F37-89A6-8B17AFBD3083.jpg

I took my cover off and as you can see it's covered in rust. I will be contacting Whites Cycle here in Chattanooga on Monday. Hopefully it won't be too much of a hassle to get it replaced. My 2015 F3S only has 7,433.8 miles on it. BRP needs to come up with a permanent fix. You should not have to worry if you are going to be able to ride home or be towed home every time you leave your house.
 
View attachment 156830

I took my cover off and as you can see it's covered in rust. I will be contacting Whites Cycle here in Chattanooga on Monday. Hopefully it won't be too much of a hassle to get it replaced. My 2015 F3S only has 7,433.8 miles on it. BRP needs to come up with a permanent fix. You should not have to worry if you are going to be able to ride home or be towed home every time you leave your house.

Good catch! Let us know how it goes.....
 
appreciate your opinion,
never said it was "Grenading" because of a "Little Red Rust".

With 3100 miles I should see no rust, zero, none-period. There are several comments in this thread about 10,000-20,000 plus miles and no rust. I think that is acceptable. At 3100 miles, it is not acceptable to me.

I have no concern about "the $10 bolt" and were I to install a new one you can rest easy, it would be at the proper torque. The bolt secures lateral movement and the splines control rotational movement. I get that.

I will, because of the relative newness of the machine, let the dealer have a look and resolve the issue of the rust.

Your comment on belt tension may be valid. However, opinions on this point vary widely on this site.
Getting the same tension with the rear wheel both on and off the ground, as you did, seems impossible to me. Likely I will reduce from the 180 when the pulley issue is addressed.
So it does happen to SM6 bikes, we were led to believe it was only SE6 bikes.Good luck on the fix.
 
Those curious about front sprocket stripping out
on rt yes. It happened on mine this past Monday.
Oddly enough I just had 19,000 mile service done
the week before and dealer said drive belt was worn
out. I have a 15 rtl by the way. :gaah:
 
new pulley yesterday, after these were noticed
pic of pulley at 3400 +/- milesP1010927.jpg
clean spot is a thumb print

pic at 3517 miles a couple days later
P1010936.jpg

now 3672 a new one, can only hope it won't happen again
 
Those curious about front sprocket stripping out
on rt yes. It happened on mine this past Monday.
Oddly enough I just had 19,000 mile service done
the week before and dealer said drive belt was worn
out. I have a 15 rtl by the way. :gaah:


Yes, I have had to give the bad news to a couple RT owners myself during the multipoint inspection part of a service visit. Manuals and Automatics do not seem to matter.
 
Front Sprocket Inspection

Doc, have you heard of many F3T or Limited having this happen? I had only heard of it happening on 2015 F3 and was hoping that they had fixed the issue in 16 or 17 or on the T or Ltd. models.

Problem exists in all 2016 and probably 2017 Spyders. Just replaced front sprocket on 2016 F3-T at 16Kmi... just missed grenade stage by few miles. 90% of spline gone to rust dust. My clue to problem was a couple months of increasing louder high pitched whistle when closed throttle engine braking. This suddenly turned to loud metallic thrashing... this is final stage indicative of immediate grenading. Immediately push it to a dealers shop is only option if you aint stuck in the hinter land. :sour:
 
I think an inspection of the front sprocket should be done at a minimum 1500 mile intervals.
It takes at most 10 min to remove and replace the cover and have a look.
Maybe take a pic for comparison to the next inspection.
 
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