Clinician
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Post by dirtbeard on Jan 18, 2011 3:28:17 GMT -6
Unbelievable!!!!!!!
I am now on 17 000km and the thermostat switch for the radiator fan has......
STOPPED WORKING AGAIN!!!!!!!!!!!!!!
bike overheated yesterday.................... grumble moan moan grumble
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Clinician
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Post by dirtbeard on Sept 23, 2010 3:38:23 GMT -6
Well here is the update.
Still waiting for the scooter to come back from repairs. A new crank was installed, but scoot was way down on power, so they started over. Apparently the first crank was faulty.
Am riding on a 180cc Bajaj Avenger as a courtesy bike in the meantime. Not a bad bike, but accelleration is a heck of a lot less that the 250 scooter. Light on fuel though...........
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Clinician
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Post by dirtbeard on Sept 1, 2010 4:51:17 GMT -6
Ah, Ok I am back . took a bit longer than a weekend. After all has been checked, I discoverd the problem. Me. I managed to incorrectly rewire the thermostat switch, causing the temp guage to hit red and cut out. This is why the motor was not actually heating up. But wait, there is more. As I speak, the bike is at the workshops, because three days after fixing the electrical problem, the crank went bust on me!!!!!!!. I personally don't understand it. I don't ride the bike hard, it only has 13 800 km's on the clock, and I am the only one who rides it. Granted, I ride about 100 km's per day, but still, for the big end bearing to fail to such an extent that I now need to replace: crank piston rings conrod seals Talk about a run of bad luck. Has anybody else experienced such a catastrophic failure??? Anyway, should get it back by the end of the week.
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Clinician
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Post by dirtbeard on Jul 23, 2010 8:13:04 GMT -6
Ok This weekend I'm checking all of the stuff that has been mentioned,
Thanks for all the great advise so far.
Will update as soos as I find the problem.
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Clinician
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Post by dirtbeard on Jul 21, 2010 0:45:05 GMT -6
Hi I live in Hartebeespoort, but work in Midrand so I commute on my scooter every day approx. 100km. Is the complete and unabridged tale of woe..... My scoot has 13 500 km on the clock and is a 2008 model. The bike was running fine and then started to have the tendecy to overheat. The coolant did not boil, but the guage was far higher than it usually is and I had to top up the coolant level often. The guage usually sits just below the halfway mark, but now spent a lot of time above the 3/4 mark. If I kept to 100 km/ph it would run nice and cool, anything above or below that and it would start to heat up. I noticed that the fan was not starting, so I replaced the fan switch that sits in the radiator. Now the guage rockets to red and the engine cuts out after a few km. When the bike has cooled down, I can restart it and ride again until it cuts out again. The coolant itself does not seem to be getting warm, and is not boiling, and I suspect that I might have interupted the power supply to the water pump when I fitted the new switch. I have no wiring diagram to comfirm this against though. I got the replacement switch directly from Jonway, but the connectors were different from the old switch, so I had to crimp the wires directly. I think this is where the proverbial goods hit the fan. So to speak Any ideas, does anybody have a wiring diagram so that I can check the connections? ?
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Clinician
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Post by dirtbeard on Jul 20, 2010 11:59:30 GMT -6
I will check all of that out.
The scooter is also the YY250T, but here in South Africa it is known as the Jonway Master.
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Post by dirtbeard on Jul 20, 2010 7:53:30 GMT -6
hi all
I need help urgently please.
I have a Jonway 250 master scooter. The fan was not coming on, so I replaced the thermostat / fan switch on the radiator. The connectors from the new switch didi not match the ones on the wiring harness, so I had to crimp them with new connectors.
As soon as the bike starts to run for a couple of minutes, the temp guage goes completely into the red and the engine cuts out. I can then restart the bike untill the temp hits red again and the motor cuts out.
Please help, not sure what to do???
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