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Author Topic: Kawasaki 750 hard tail (was rear end ratios)  (Read 119641 times)
the coppersmith
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« Reply #345 on: January 19, 2018, 09:47:38 AM »

like that, very neat. Wink
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Manky Monkey
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« Reply #346 on: January 19, 2018, 11:04:40 AM »

Nice Smiley
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On the last freedom moped out of Nowhere City.
minimutly
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« Reply #347 on: March 27, 2018, 10:32:22 PM »

Well I'm really pee'd off tonight, the pidometer wasn't working due to the rear bracker not being present. No worries, take it all apart, cut down and fit the bracket, put it all back together. Except that the damn thing won't pick up at anything more than 600 mm odd away from the sensor/transmitter. I tried a new battery, no difference, it looks like the transmitter is dying....
Whats the chances of finding another that'll fit in the piston mount?
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spanners
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« Reply #348 on: March 28, 2018, 02:42:05 AM »

600mm. Huh
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LIVE FAST  and  DIE YOUNG,,  past 50 AND STILL HERE  NOW. WAITING. FOR. THE. GRIM. REAPER
Manky Monkey
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« Reply #349 on: March 28, 2018, 03:28:18 PM »

2 feet.
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On the last freedom moped out of Nowhere City.
minimutly
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« Reply #350 on: August 19, 2018, 10:45:57 PM »

Been out and about on the trike, local vintage rally today. I've noticed I have a high speed whine, and 1st gear roughness. I'm hoping its the axle, but not really sure, so I guess the next step is to drop the oils to see if there is any glitter in there. Bugger...
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minimutly
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« Reply #351 on: August 21, 2018, 08:01:56 PM »

Took the grandkids out for a spin earlier, the screaming gears had got worse. So I jacked it up and had a look. It didn't take long to notice the gearbox output shaft bearing cover was loose. One 5mm stud snapped, one nut lost and two loose. So I drained the engine oil so I could sift through it to check for bits, put the tray down on the wheeled seat, turned and walked away, and it tipped all over my workshop floor.....
Anyway, now to clean up the mess, strip the propshaft out as well as the drive gear for inspection. I hope its ok, more than anything so the rest of the engine won't have been damaged as a consequence.
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minimutly
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« Reply #352 on: August 27, 2018, 07:32:50 PM »

The output shaft and gear came out looking good, but a close look at the drive gear revealed one side of each tooth pitted and worn. So tomorrow I will buy a new output gearbox. Oh btw, the oil that didn't spill all over the garage floor didn't reveal any metal filings. Kind of begs the question - is the bevel gear wear new, or something that's been going on from day 1 - anyone been inside one of these?
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minimutly
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« Reply #353 on: September 06, 2018, 09:13:50 PM »

A replacement bevel box has been fitted, now nice and quiet. Now I can hear all the other grumbles.
Took it to Cresswell quay meet last night, cold on the way home.
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Manky Monkey
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« Reply #354 on: September 06, 2018, 09:52:14 PM »

Just caught up with this thread. So it was definitely the bevel gear then?
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On the last freedom moped out of Nowhere City.
minimutly
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« Reply #355 on: September 07, 2018, 11:28:21 PM »

Well it was singing because it was loose - at least 5mm out of mesh by the time I found it. If I'd tightened it all up would it have been Ok? I dunno...
Whatever, its ok now.
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minimutly
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« Reply #356 on: July 11, 2019, 10:16:14 PM »

Quick update on this - I've been out and about quite a bit, enjoying the sunshine, but not enjoying dodging potholes and trenches in the roads....
So a decision was made to get an irs, but there aren't that many around. Eventually went all the way up to Keighley in yorkshire and did a deal on a vmax with a kasarva irs on the back. Before saying tata I had a couple of things to see to - the speedo pickup issue and the cracked front spindle, plus an mot test.
The speedo was cured by opening up the (bicycle) clock, unsoldering the receiver and connecting it via a foot and a half of two core screened cable pinched from a timing light. Worked a treat.
The spindle wasn't as easy, had to machine an m18 by 1.5 thread on the end of a 300mm machined rod. Took some practice on the thread, then had to dig out my travelling steady to make the job work.
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Manky Monkey
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« Reply #357 on: July 11, 2019, 10:27:22 PM »

Photos? Smiley
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On the last freedom moped out of Nowhere City.
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« Reply #358 on: July 11, 2019, 10:39:36 PM »

.
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On the last freedom moped out of Nowhere City.
minimutly
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« Reply #359 on: July 11, 2019, 10:46:47 PM »

Thanks Andy - for those of you interested I'm unable to post pics, but thanks to our monkeyness for helping out.
I also have a pic or two of the machining process if you think its worth putting them up Andy?
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