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mucker
L Plate Warrior



Joined: 07 Oct 2018
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PostPosted: 13:06 - 07 Oct 2018    Post subject: cb1300 Reply with quote
hi all does any one know how to stop tank slap on a Honda cb1300
it happens between 30 to 50 mph Confused
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RhynoCZ
Super Spammer



Joined: 09 Mar 2012
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PostPosted: 13:26 - 07 Oct 2018    Post subject: Reply with quote
Tyre pressure, steering bearings, the suspension system needs some care.
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'87 Honda XBR 500, '96 Kawasaki ZX7R P1, '90 Honda CB-1, '88 Kawasaki GPz550, MZ 150 ETZ
'95 Mercedes-Benz w202 C200 CGI, '98 Mercedes-Benz w210 E200 Kompressor
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jaffa90
World Chat Champion



Joined: 06 Apr 2016
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PostPosted: 18:01 - 07 Oct 2018    Post subject: Reply with quote
Sounds in a bad way, i would be jacking the bike up and spinning /feeling them tyre & wheels.
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Sister Sledge
World Chat Champion



Joined: 17 Aug 2018
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PostPosted: 19:18 - 07 Oct 2018    Post subject: Reply with quote
As RhynoCZ says - those need to be spot on. Even something a little 'off' can make a lot of difference.
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Nobby the Bastard
Harley Gaydar



Joined: 16 Aug 2013
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PostPosted: 20:53 - 07 Oct 2018    Post subject: Reply with quote
Steering bearings too loose.
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trevor saxe-coburg-gotha:"Remember this simple rule - scooters are for men who like to feel the breeze on their huge, flapping cunt lips."
Triumph Sprint ST 1050
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RhynoCZ
Super Spammer



Joined: 09 Mar 2012
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PostPosted: 22:01 - 07 Oct 2018    Post subject: Reply with quote
Are you sure it's a tank slapper? Describe us what the motorcycle does. Unbalanced front wheel does all sorts of things once you hit the sweet spot (speed) and then it goes away as you exceed higher speed.
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'87 Honda XBR 500, '96 Kawasaki ZX7R P1, '90 Honda CB-1, '88 Kawasaki GPz550, MZ 150 ETZ
'95 Mercedes-Benz w202 C200 CGI, '98 Mercedes-Benz w210 E200 Kompressor
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mucker
L Plate Warrior



Joined: 07 Oct 2018
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PostPosted: 08:54 - 08 Oct 2018    Post subject: Reply with quote
Hi all i have had my tyres balanced front and back both steering bearings replace. When my bike gets to 30 if i lift my hands slightly of the bars it shakes left to right violently any thing over 50 its totally smooth
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Nobby the Bastard
Harley Gaydar



Joined: 16 Aug 2013
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PostPosted: 11:05 - 08 Oct 2018    Post subject: Reply with quote
mucker wrote:
Hi all i have had my tyres balanced front and back both steering bearings replace. When my bike gets to 30 if i lift my hands slightly of the bars it shakes left to right violently any thing over 50 its totally smooth



Steering bearing nuts are too loose. Typically your looking at 50nm or higher torque
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trevor saxe-coburg-gotha:"Remember this simple rule - scooters are for men who like to feel the breeze on their huge, flapping cunt lips."
Triumph Sprint ST 1050
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RhynoCZ
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Joined: 09 Mar 2012
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PostPosted: 14:24 - 08 Oct 2018    Post subject: Reply with quote
I agree with Nobby.
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'87 Honda XBR 500, '96 Kawasaki ZX7R P1, '90 Honda CB-1, '88 Kawasaki GPz550, MZ 150 ETZ
'95 Mercedes-Benz w202 C200 CGI, '98 Mercedes-Benz w210 E200 Kompressor
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rpsmith79
World Chat Champion



Joined: 31 Jan 2017
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PostPosted: 15:53 - 08 Oct 2018    Post subject: Reply with quote
Wobble or weave?

Worth a watch

https://www.youtube.com/watch?time_continue=1&v=fvsDIq3WwVA
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Current Bike: Honda CG125 ES4 // Honda CB600FS Hornet // Triumph Street Triple R
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tittymcarsefa...
Borekit Bruiser



Joined: 30 Sep 2018
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PostPosted: 22:28 - 16 Oct 2018    Post subject: Reply with quote
Are your tyres in good nick? tyre pressures ok?

Make sure your rear wheel is aligned correctly then check the front wheel is in line with the rear.

Could be accident damage upsetting the geometry on the bike, check for cracked paint around the head stock area especially around the welds.

No need for one of those to be shaking the bars at those speeds tbh they are set up for stability rather than handling.
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Old Thread Alert!

The last post was made 7 years, 176 days ago. Instead of replying here, would creating a new thread be more useful?
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