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Post by rumply on Nov 9, 2014 19:56:01 GMT
Hi All.
I've just picked up an XJ900S today for £300, it is in pretty good condition considering the age and mileage.
However it jumps out of second gear when you open the throttle, all the other gears are fine.
Any ideas.
The bike was bought as a winter project and is already half stripped down, taking out the engine, frame is going off for powder coating along with a lot of other bits.
Will be a different bike when I'm finished with it.
Thanks
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Post by HRHpenfold on Nov 9, 2014 20:17:41 GMT
The gearbox needs rebuilt, probably damaged selector dogs!
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Post by rumply on Nov 11, 2014 10:58:26 GMT
I'll have a dig around in there once the engine is out.
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Post by chris900divvy on Mar 21, 2015 15:37:36 GMT
I'm just about to do mine, same issue with jumping in 2nd gear though as the bike has done 150k I don't feel I can complain too much! I think you'll find worn gear dogs, selector fork and probably damage to the barrel - I bought a complete low mileage gearbox for £30 which looks pristine and will be way better than my old one after its fitted.
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Post by rumply on Mar 24, 2015 14:31:52 GMT
Yeah, I replaced the gearbox a few days ago. Paid £60 delivered. My selectors and dog were worn, also 5 gear was extremely worn to.
Engine's back together now, ready to be cleaned and painted next week...
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Post by chris900divvy on Mar 25, 2015 12:52:33 GMT
Nice will be dropping mine out of the frame soon, decided to do the forks first though doing bushes and seals. Bike could do with a bit of an overhaul, a decent 'new' gearbox will make a nice difference to it I reckon!
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Post by rumply on Mar 25, 2015 15:42:56 GMT
Nice will be dropping mine out of the frame soon, decided to do the forks first though doing bushes and seals. Bike could do with a bit of an overhaul, a decent 'new' gearbox will make a nice difference to it I reckon! When I bought it before Christmas, I brought it back in a van, took it out, rode it up to the end of our lane and back. Then completely stripped it down to the bare frame within a few hours. Frames and wheels have been powder coated now, replaced too many things to mention so far, be like new when I'm done...... well a new (ish) 87K mile bike, not going silly with it, but I'm making it the best it can be "mechanically", all the aesthetics are a bonus   |
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Post by satnav on Mar 26, 2015 14:58:53 GMT
Looking good. Looking forward to seeing this in the rebuilds section soon.
How much for the powder coating?
If you don't mind me asking.
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Post by rumply on Mar 26, 2015 16:26:04 GMT
Looking good. Looking forward to seeing this in the rebuilds section soon. How much for the powder coating? If you don't mind me asking. I got it done for free, through my work contacts. I've not noticed the rebuilds section, I mostly use a facebook group to be honest. But I'll pop a few before, during and after pics up once complete, hoping to get it sorted before my wedding in June. |
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Post by chris900divvy on Mar 26, 2015 19:30:49 GMT
Wow that's dedicated!
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Post by CD on Mar 28, 2015 8:17:52 GMT
If 5th gear was worn the final drive back axle will also be past its best.
Have you considered fitting a better quality front end? Divvie forks are nothing special?
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Post by chris900divvy on Mar 28, 2015 18:54:12 GMT
If 5th gear was worn the final drive back axle will also be past its best. Have you considered fitting a better quality front end? Divvie forks are nothing special? Hadn't considered that, what are the options? Have just finished rebuilding the forks which am pretty chuffed with as never stripped them before (not as complicated as I ima gined them to be), my main concern is just having them seal properly. I paid a bike shop twice to do them but for whatever reason they didn't see fit to do the bushes only seals and they leaked shortly after having them done. A bit of effort getting the bushes into place but followed some useful youtube tutorials, a threaded bar with 27mm nuts did the damper rod removal and tightening bit. I had already put Hagon springs in there in the past so felt it worthwhile to get all this done. If my leaks have gone I'll be happy! |
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Post by CD on Mar 29, 2015 9:33:10 GMT
The D9 front forks do the job but are pretty basic. The standard forks dive badly on brakes. But have only fixed damping rate on rebound only. Hagon or Wilbers progressive springs are worthwhile.
At least one person has fitted an XJR 1200 front end.
Back end just needs unworn needle rollers on the rocker block and a Wilbers shock. If transmission backlash feels excessive check the suspension for slack. Power on/off causes the suspension to rattle if there is any slack in the needle rollers.
Blue spot brakes really improve the Divvie but they further show up the basic forks. Blue spots are also less prone to corrosion problems. .
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Post by chris900divvy on Mar 29, 2015 16:20:07 GMT
Thanks. Haven't really found the standard suspension to be so bad that I'd want to change it for something else, the progressive springs when I fitted them a couple of years ago certainly improved things along with dropping the forks an inch through the yokes. I put a very cheap low mileage Fazer shock on the rear some time ago as the original had worn out the seals, with it on hardest setting its not bad at all really. Not really looking to spend vast amounts on it, but the needle bearings you mentioned in the rear certainly need doing - can hear them clicking when pulling away etc. That will be next on my list of things to do after the engine is dropped and second gear done. I have done some work on calipers, found one of the problems with them sticking was down to corrosion beneath the little guide plates for the pads which I cleaned up. Also have braided hoses all round, a Fazer 1000 rear master cylinder fitted a while ago. I feel it brakes well enough for the power the bike has, not as well as my ZRX but they're very different bikes.
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Post by CD on Apr 2, 2015 7:33:47 GMT
My blue spots saved a stupid girl (and me probably) from injury when she ran under my front wheel. The original brakes would have locked up and had me on the floor.
The front forks always used full travel but 95% of the time it was brakes dive.
I realised the Divvie's handling limits after I bought the GS. I took the Divvie for a last test ride before selling & hit a stretch of rough road that very nearly caused a tank slapper crash. Up to then I was enjoying the old girl and feeling sad to lose her.
The GS was lower miles and has better suspension but I was shocked at how easily the Divvie had got out of shape.
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