Bros Sprockets

DukeRed · World Chat Champion Joined: 07 Mar 2004 Karma :

https://predator.bikepics.com/pics/honda-nsr125-01-bikepics-269264.jpg
The guide I have says when the sprocket lines up with the red marking it means the sprocket should be changed. My bike has a green square (as shown).

Also what chain and sprockets fit the bros?

Loads of workshop posts I know but my bike has started to fall apart.

Cheers
Jan
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DukeRed · World Chat Champion Joined: 07 Mar 2004 Karma :

And ..... how do you get the front and rear sprocket off?

Jan
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K!K @ · Nova Slayer Joined: 22 Dec 2004 Karma :

normaly the back sprocket is just a case of taking out the back wheel and undoing the 4-6 nuts that hold the sprocket to the wheel. the front on all my bkes has been a case of taking the faring (if any) off and the casing of the sprocket and then its just been a sir clip holding it on. undo that and it should slide off. Mine fell off Sad

.

Good Luck Thumbs Up

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DM · Scooby Slapper Joined: 16 Oct 2004 Karma :

I noticed I was getting pretty noticeable vibrations throughout the entire bike at high rpm the other week. I got home, checked to see if the wheel alignment was off and discovered that a holding nut had fallen off the rear hub and the other three were very loose Rolling Eyes

. I had secured those metal tabs against them when I was switching sprockets several months ago, but they had worked loose. The list of problems I've had with this bike is endless...

stinkwheel · Bovine Proctologist Joined: 12 Jul 2004 Karma :

Usually if you can pull the chain off the back of the sprocket at the 3 o' clock position or there is significant un and down movement at the same point with the chain correctly tensioned, it is getting on time for a new one. If the teeth are all pointy and hooked over is another giveaway.

Back one as k!k @$$ says. The front one you need to take the sprocket cover off, the sprocket is usually slid over the splined shaft then held in place with a thrust washer which is bolted to the sprocket with two small set-screws.

If you go into any bike shop and ask them to order a chain and sprockets for a Bros, they should keep you right. Pattern ones can be bought from M&P https://www.mandp.co.uk use an o-ring chain. With chain and sprocket kits it is usually a case of more expensive = better. Use a soft link rather than a split link to join the chain, it is a v-twin and will be hard on chains.
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hawkeye · Nova Slayer Joined: 02 Dec 2004 Karma :

Because the Bros has a single sided swinger, the rear sprocket is bolted to the lhs of the hub assembly. You have to take a few bits off, but as far as I can remember, it can be done without actually removing the wheel (as the wheel is bolted to the other side/end of the hub Thumbs Up

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DukeRed · World Chat Champion Joined: 07 Mar 2004 Karma :

Cheers All. Lots of help.

Jan
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Enjoy Life There's Plenty of Time to be Dead
https://www.janoner.com

WildGoose · White Van Man Joined: 20 Mar 2002 Karma :

www.wemoto.com

bros parts should be on the front page, they are the bros specialists so will probly sort you with suitable chain and sprockets

quick delivery too
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