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ballybob
Joined: 17 Mar 2016 Posts: 22 Location: NSW Australia
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Posted: Thu Mar 17, 2016 9:33 am Post subject: Hello from Oz |
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Hi all Its my first post to the forum!
I just purchased an original A5 AR125. The bike is an import to Australia as we didn't get model here which was a shame. This little beauty is a Japanese import with only 485 kilometres on the clock.
Unfortunately the bike would lose its spark but I think I found the problem which I narrowed down to a faulty spark plug cap.
Other than the spark issue its in need of some forks and a rear shock as the chrome has deteriorated over time.
Can someone tell me the best tyres for this model?
Thanks
Rob |
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DSBBadmin Site Admin
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Joined: 13 Nov 2006 Posts: 717
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Posted: Thu Mar 17, 2016 11:46 am Post subject: |
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Welcome Rob. Most of the traffic on here recently is about AR125's so you're in the right place. ![Very Happy](images/smiles/icon_biggrin.gif) |
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The Cameraman
Joined: 22 Aug 2015 Posts: 608 Location: Lancashire
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Posted: Thu Mar 17, 2016 1:17 pm Post subject: |
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Hi Rob,
a very warm welcome to you.
I'm still on the original rubber yet but it won't be long before the likes of Shaun, Jack or Fazey will give you their thoughts.
Please post a photo when you can. _________________ Kindest regards
Reggie |
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jim157
Joined: 04 Jul 2010 Posts: 77 Location: Norwich
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Posted: Thu Mar 17, 2016 6:40 pm Post subject: |
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Michelin Pilot Street's are pretty decent for lighter bikes. |
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AR-jack
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Joined: 08 Sep 2015 Posts: 144 Location: durham
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Posted: Fri Mar 18, 2016 12:01 am Post subject: |
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welcome!!
pirelli mt65 tyres are pretty good and better if running .50inch oversize for looks and performance
please if possible post photos or thought, help and such _________________ ar125 a1 1983, ar125 b2 1988, ar125 b4 1988, ar125 b7 1991, kinroad xt50q 2011
XD
jack |
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ballybob
Joined: 17 Mar 2016 Posts: 22 Location: NSW Australia
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Posted: Fri Mar 18, 2016 9:07 am Post subject: |
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Thanks for the warm welcome everyone.
The tyres are going to be the last thing to do but thank you for the suggestions. Hopefully something is available here in Australia.
My priority at the moment is solving the ignition problem. I fitted a new spark plug cap today and I now have a nice strong spark. The bike starts easily warms up and runs well on the stand for a good 5 to 10 minutes. I took the bike down the road and it ran for about a 100 yards before it died. Pushed it back home and checked the spark and nothing.
I let the bike sit for 5 - 10 minutes and then presto the spark is back! Fire it back up and not even 5 minutes it dies again.
I bought a manual and checked all of the obvious checks with a multi meter and all looked within tolerance.
I'm in a position of bewilderment as to whats giving me this problem.
Any ideas? ![Crying or Very sad](images/smiles/icon_cry.gif) |
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ballybob
Joined: 17 Mar 2016 Posts: 22 Location: NSW Australia
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Posted: Fri Mar 18, 2016 9:10 am Post subject: |
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AR-jack wrote: |
please if possible post photos or thought, help and such |
Pics will come when I get her back together Jack. |
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Top-shaggy Show Star !
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Joined: 05 Mar 2011 Posts: 1757 Location: Derbyshire
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Posted: Fri Mar 18, 2016 4:40 pm Post subject: |
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Welcome ballybob
I really don't like electrical problems, from what you have described I would check, starting simple first..
Battery - is it holding its charge, shorting out, earthing problems
Coil - is it losing spark as it gets hot
Voltage regulator / rectifier - ditto
Stator and pick up - check for loose wiring / output and silly little things like wiring worn where it comes out the generator cover and over the front sprocket
Sorry I can't be more precise..
Hope you suss it out soon ![Smile](images/smiles/icon_smile.gif) _________________ We are where we are... |
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fazey Show Star !
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Joined: 08 Aug 2015 Posts: 248 Location: matlock
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Posted: Fri Mar 18, 2016 5:09 pm Post subject: |
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Jack......any chance of a link to these tires.
And how big can you go on the back tire before it touches the swing arm.
Anyone else got a link for some sport tires for the old ar. |
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fazey Show Star !
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Joined: 08 Aug 2015 Posts: 248 Location: matlock
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AR-jack
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Joined: 08 Sep 2015 Posts: 144 Location: durham
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Posted: Fri Mar 18, 2016 8:28 pm Post subject: |
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fazey wrote: |
Jack......any chance of a link to these tires.
And how big can you go on the back tire before it touches the swing arm.
Anyone else got a link for some sport tires for the old ar. |
ive been looking for another set myself at the moment due to the rear tyre getting down
i'll let you know if i find any new _________________ ar125 a1 1983, ar125 b2 1988, ar125 b4 1988, ar125 b7 1991, kinroad xt50q 2011
XD
jack |
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ballybob
Joined: 17 Mar 2016 Posts: 22 Location: NSW Australia
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Posted: Fri Mar 18, 2016 9:33 pm Post subject: |
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Thanks for the suggestions but i'm 90% sure its the stator. I ran the bike till it lost spark and the disconnected the stator plug from the loom and put a ohm meter across the wires. The resistance was changing as the motor cooled down. I also saw changes in resistance just by tapping the cover with a screwdriver. Now to source a puller for the rotor and have a closer look! |
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Top-shaggy Show Star !
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Joined: 05 Mar 2011 Posts: 1757 Location: Derbyshire
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Top-shaggy Show Star !
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Joined: 05 Mar 2011 Posts: 1757 Location: Derbyshire
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Posted: Fri Mar 18, 2016 10:02 pm Post subject: |
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AR-jack wrote: |
fazey wrote: |
Jack......any chance of a link to these tires.
And how big can you go on the back tire before it touches the swing arm.
Anyone else got a link for some sport tires for the old ar. |
ive been looking for another set myself at the moment due to the rear tyre getting down
i'll let you know if i find any new |
http://diffrentstrokers.com/phpBB2/viewtopic.php?t=1410&highlight=ar125+largest+tyre+size
Try Pirelli Demons _________________ We are where we are... |
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ballybob
Joined: 17 Mar 2016 Posts: 22 Location: NSW Australia
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Posted: Fri Mar 18, 2016 10:03 pm Post subject: |
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Its a pretty simple ignition system so it will be found.
I will update what I find |
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