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The Motobrick Workshop / Re: Front wheel hop feeling????
« Last post by Motorhobo on Today at 06:06:13 AM »
greetings...

its the tiors... have the installer of your new tiors put another set on there... if thats it thats it... if not you gotts a spare set of tiors...

j o

+1 what johnny said
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The Motobrick Workshop / Re: Throttle grip assembly.
« Last post by Panchoplanet on Today at 04:25:06 AM »
Thanks Martin, wasn't aware of alignment marks will reopen and verify.
Your knowledge is golden.


Pp. :bmwsmile
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The MBdotCOM Community Center / Re: Motobrick Ringtone
« Last post by Laitch on Today at 02:48:25 AM »
Or try this one... It'll get your attention every time!!!
:clap:
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Welcome To Motobrick.Com / Re: Hi from Denmark
« Last post by Enfield on Today at 01:33:52 AM »

 A pic of the one I am working on now. Fairing etc was cracked - it has been on the side. I feel ok chopping it up - as I Think it was more or less heading for spare parts.
Chr


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The Motobrick Workshop / Re: Throttle grip assembly.
« Last post by Martin on Today at 01:21:09 AM »


If you undo the large phillips head screw you will see a bevel gear assembly. Clean out the old grease and then align the two straight marks on the gears. Grease with clean grease I use the white lithium grease in the spray can and reassemble.
Regards Martin.
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Was this bike sold?


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The Motobrick Workshop / Throttle grip assembly.
« Last post by Panchoplanet on July 20, 2017, 11:38:58 PM »
On my K75s I have a lot of slack and play on the throttle grip, when I roll the throttle open and let go it seems ok and I can hear the throttle click close but if I roll the grip forward there is a bit of play that simulates a flat spot when accelerating. Feels like there is no mechanical/ physical stop in hand grip assembly.
There's a large Phillips head screw on center of cover that I cannot tighten, it causes binding on grip. This screw was loose when I assembled the bike.


Consulting clymers manual gives no info on throttle grip assembly. All components are clean and well lubricated.
I have clip ons a la cafe style so not sure if this could be causing the slop in the cable (shorter distance).


Any input will be appreciated.
Pp.
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The Motobrick Workshop / Re: Front wheel hop feeling????
« Last post by johnny on July 20, 2017, 08:41:55 PM »
greetings...

its the tiors... have the installer of your new tiors put another set on there... if thats it thats it... if not you gotts a spare set of tiors...

j o
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The Motobrick Workshop / Re: Front wheel hop feeling????
« Last post by TommyT on July 20, 2017, 08:15:51 PM »
I did change the fork oil, it did look crappy. Use 5 wt as called for in the manual, but I have 7.5w I want to try and as dirty as the oil looked it would not hurt to do another flush I think.


Yes I agree that it is getting time to take a serious look at forks and the rear bushing. If I can get my friend to swap wheels and they do not eliminate the hop, then it must be in the suspension. I would be a little surprise the problem lays there as this seem only only happen at certain wheel RPM and not at all times. I really suspect there is something going on with the rear wheel/tire.


Overall the biked been taken care of (expect the old tires) rear drive and tranny oil was fresh, the rear drive shaft splines were well lubed and showed little wear. Burns little oil, shifts well. no rust anywhere. I am going away again this weekend, when I get back I will see if I can try my friend's wheels.


Thanks all for the tips so far, to be continued....


Well I finally caught up with my K75 friend. either I did not notice or he did not notice, but we failed to notice that he has a drum brake rear wheel and I have a disk one. So no wheel swap.


It is still happening, but the bike feels really good at 55+ mph. I am about an hour away from Max BMW in Tory, I may see if they can check the bike. I really think one of the wheels were not balanced right. I am changing the fork oil again. going to try 10wt oil instead of 7.5wt and see if that helps. I did try increasing the tire pressures both front and rear, but it did not really help.




 
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Project K-Bikes / Re: New Guy - Discount build
« Last post by boostd4 on July 20, 2017, 07:03:56 PM »
Thanks, I think I'll probably weld/bolt a thicker piece of sheet steel on top for a flat surface, then put a rubber pad between it and the seat.
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