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Old 08-19-2010, 06:14 AM   #76
J_White
should be working
 
Joined: May 2010
Location: NE Mississippi
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Lennie, could you pm me your contact info to buy direct?

I'm interested in a set of the flawed ones, don't think it'd be a problem.
Thanks!
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Old 08-19-2010, 12:46 PM   #77
motorcyclemark
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Quote:
Originally Posted by signit98
Gas mileage will stay the same or better... as for the source, I can provide a direct contact, if needed. The contact listed above is Foster R & D... good luck with that.

Curious to know why you said Foster R & D ... good luck with that?

Ordered a set from them this morning without issue. I was assured the set

I would be getting were without any flaws although I did pay $225.
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Old 08-19-2010, 06:42 PM   #78
sbrownn
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Sprocket crack

Quote:
Originally Posted by lennie
I have just spoken to my original machinist who drilled the locating hole and he has informed me he drilled then reamed the hole with a 3mm ream.

Makes sense as there is the chance that the 3 mm drill can drill undersize.

He has suggested a 3.05 mm hole so that after case hardening that the pin is still a push fit.

I have also discussed the current issue with the crack from the pin to the cam locating hole and he explained that the hole is at the end of the crack and it will not travel any further.

Makes sense as when a windscreen or plastic screen cracks you drill a hole at the end to stop the crack going any further.

If anyone wants to check this guy out visit www.epicycle.com.au. His name is Pete Smith and he used to run the Ducati Dealer Team in Australia race team in the 1990s.

Thanks for the feedback and input too.
Seems like the problem wouldn't be so much the crack spreading as the reduction in the amount of material that is resisting the load on the sprocket. I am assuming that it is only the amount of material between the pin hole and the outside edge of the sprocket that is maintaining its integrity as the crack runs all of the way to the center hole? A crack in a windscreen isn't very comparable to a crack in a sprocket as the loading is completely different.

Your sprockets completely eliminated hot weather pinging under load as well.
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Old 08-22-2010, 06:42 AM   #79
lennie
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I realise comparing a crack in the sprocket to a windscreen is not the most suitable comparison, but the fact is the crack will not continue to the outside of the sprocket.

I will be rectifying this batch to relieve the pressure and having a new batch produced in the coming weeks.

Adventurer,

I am happy the sprockets improved your ride.
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Old 08-22-2010, 05:35 PM   #80
lennie
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motorcyckemark,

Interesting you ordered a set from Foster R&D yet they tell me they are not making sales.

I wonder what is going on?
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Old 08-22-2010, 10:27 PM   #81
signit98
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Location: Sun Diego, Mexifornia
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Lennie... good to see that you finally managed to show up to the party!

Sorry I did not reply to your email, but I've been a little busy with some health issues, lately!

As for the rest... my fuel mileage stayed the same or got a little better (due to a changed riding style)... no other issues - well, except for the permanent grin which will probably have to surgically removed, some day.

The price is fair, considering what you get... unlimited fun!
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Old 08-22-2010, 10:45 PM   #82
lennie
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Ralf,

Ok about the email.

I have shown up after much prompting from you.

I finally answered the motorcycle related question correctly.

All is going well here in Australia.

I think the surgical removal of the smile is a standard thing.

The changing of the riding style is common too and it does improve much about the fun aspect.
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Old 08-23-2010, 07:49 PM   #83
sbrownn
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Thumbs up

Quote:
Originally Posted by lennie
I realise comparing a crack in the sprocket to a windscreen is not the most suitable comparison, but the fact is the crack will not continue to the outside of the sprocket.

I will be rectifying this batch to relieve the pressure and having a new batch produced in the coming weeks.

Adventurer,

I am happy the sprockets improved your ride.
I would never own another gs without them as they are totally dialed into my riding style.http://s3.amazonaws.com/advrider/clap.gif

I am a mechanical engineer, if there is any way I can ever help you out, just let me know.
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Old 08-24-2010, 02:46 PM   #84
lennie
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Adventurrer,

Thank you for the positive feedback.

Just a note I have discussed a simple solution to redrill the locating pin hole with a carbide drill and this will relieve the stress around the hole.

My offer of a reduced price still stands.

Price is $210.00 Australian including shipping.

Regards,

Lennie
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Old 08-24-2010, 08:20 PM   #85
sbrownn
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Sounds like a plan

Is that to enlarge the hole to decrease the clearance between the pin and hole?
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Old 08-24-2010, 09:15 PM   #86
TrainedChimp
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Location: Idaho
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Question

I ordered a set last Monday, before I saw this thread, and have a question.

Why does one of them have an extra hole in it and does it matter which side that one goes on?



Many thanks in advance.
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Old 08-25-2010, 08:06 AM   #87
dede
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Does Lennie have a website, yes I tried Google. I am considering this modification to my 2009GSA but would like to see the installation instructions before purchase.
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Old 08-25-2010, 08:15 AM   #88
Rapid Dog
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Quote:
Originally Posted by dede
Does Lennie have a website, yes I tried Google. I am considering this modification to my 2009GSA but would like to see the installation instructions before purchase.
http://www.boxer-performance.com/

For all enquiries, please email lennie@boxer-performance.com

Signit has some install info here: http://www.itwasnotme.com/BMW_R1200GS.html
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Old 08-25-2010, 08:41 AM   #89
signit98
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Joined: May 2008
Location: Sun Diego, Mexifornia
Oddometer: 802
Quote:
Originally Posted by TrainedChimp
I ordered a set last Monday, before I saw this thread, and have a question.

Why does one of them have an extra hole in it and does it matter which side that one goes on?



Many thanks in advance.
I hope you did not order these for an R12 motor... they won't work. BOTH sprockets need to have the extra hole for the R12 engine.

If anyone needs help and is in my vicinity, just hit me up... or I try to do my best via email...
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Old 08-25-2010, 08:43 AM   #90
Sergiok
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Location: Seal Beach, CA
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Quote:
Originally Posted by dede
Does Lennie have a website, yes I tried Google. I am considering this modification to my 2009GSA but would like to see the installation instructions before purchase.
There's tons of info on that other board...

Lennie's Cam Sprocket Replacement 101 Disclaimer: That's for an oilhead... slight variation for the hexhead. I'm sure signit can elaborate.


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