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kurriang
Joined: 26 Dec 2005
Posts: 6
Location: KL
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 Posted: Thu Jan 05, 2006 2:28 am Post subject: Front wheel mz125 sm not stable |
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Guys,
I just bought 2ndhand MZ125 SM and found out that my bike a bit shaking at the front when i speed. It is just 100km perhour. Any idea? Solution?
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jbthumper
Joined: 23 Mar 2004
Posts: 311
Location: Malaysia
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| Posted: Thu Jan 05, 2006 3:04 am Post subject: |
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have you checked the wheel bearing?
fork alright?not leaking?
if the bearing's ok i would suggest you to send it to a trusted shop to get the spokes restring/balanced...should cost RM15/wheel+/-.
mind telling me from whom did you get the bike from?
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kurriang
Joined: 26 Dec 2005
Posts: 6
Location: KL
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| Posted: Thu Jan 05, 2006 4:43 am Post subject: |
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Wheel bearing <--- do you mind to show me the way
Dont think the fork leaking as there is no oil found at the fork.
I did asked the shop to tighten the handle and it has been done but the problem still persist.
Will ask the shop to check the bearing / balance spokes.
Bought it in Jln Klang Lama - Eng Huat
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jbthumper
Joined: 23 Mar 2004
Posts: 311
Location: Malaysia
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| Posted: Thu Jan 05, 2006 5:13 am Post subject: |
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wheel bearing is at the hub...where the front wheel shaft slides into.
try lifting your front wheel and try to rock it...if it rocks...then the bearing's out.
IMHO it would go away after you balance the rim.
gd luck!
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kurriang
Joined: 26 Dec 2005
Posts: 6
Location: KL
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| Posted: Sun Jan 15, 2006 1:28 pm Post subject: |
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As i am new to MZ, i need to ask few question.
Every gear when it comes to the top (meaning high rpm) my bike a bit jerk. Its happened to all gear.
If the road is wet, my pants will get wet as well from knee to the bottom.
Is it normal for MZ or i am the only one who facing the problem.
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jbthumper
Joined: 23 Mar 2004
Posts: 311
Location: Malaysia
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| Posted: Sun Jan 15, 2006 1:52 pm Post subject: |
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| kurriang wrote: | As i am new to MZ, i need to ask few question.
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Shoot. We try our best to help each other 
| kurriang wrote: | Every gear when it comes to the top (meaning high rpm) my bike a bit jerk. Its happened to all gear.
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odd...it should be smooth. Might want to check your carburetion. However, if you are dragging your gears, it could be the rev-cut. It cuts the engine after 10500rpm.
| kurriang wrote: | If the road is wet, my pants will get wet as well from knee to the bottom.
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might be caused by water spray from the front tire or the tire of a vehicle in front of you. No help here. However, I know scooters keep them dry. 
btw,did you get the wheel fixed?
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kurriang
Joined: 26 Dec 2005
Posts: 6
Location: KL
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| Posted: Tue Jan 17, 2006 9:42 pm Post subject: |
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Thank for the answer man but i am still facing the front wheel problem eventhough i've send it to the shop. After the wheel repaired, the shop trying to give me the safe answer "if little bit shaking it is normal" <-- i really dissapointed with the answer. There is no such thing. It is not little bit but it is terrible, I've no idea what to do. Maybe i just go back the shop and ask them to check again and again. This problem will occured when i speed up more than 105km perhour. 
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DAVID THOMPSON
Joined: 23 Nov 2003
Posts: 1118
Location: Parkersburg, West Virginia usa .You know the PARTS have been SHIPPED when the MAIL MAN knocks
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| Posted: Tue Jan 17, 2006 11:14 pm Post subject: shaking |
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check to make sure tires are beaded up properly on the rims
make sure rear wheel is stright in swing arm after chain adjusted
check both front and rear for correct tire pressure
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Dave  2002 MZ RT125+95 Saxon Tour in WV USA "I like the road less traveled if it's PAVED!."
links to 125cc BLOG and my bikes picture
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jbthumper
Joined: 23 Mar 2004
Posts: 311
Location: Malaysia
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| Posted: Wed Jan 18, 2006 6:33 am Post subject: |
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Yup. Dave's right.
And you definitely need to ditch your current mechanic. 
The SM should be very stable up to 130km/h.
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