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Discussion in 'Dakar champion (950/990)' started by Pyndon, Jun 23, 2006.
I mistook it for a Yoruba bronze mask (Nigerian tribe)
I too look forward to the update, this forum rocks
Exellent write up.
Once again nice post . It is good to see there are still some mechanics left , and not new part fitters .
Great post! Your energy is inspiring, keep it coming.
Day 4: Sorting Tech Bulletins and Cleaning, Cleaning, Cleaning
Well, got up for a nice early start this morning and browsed the tinternet for an hour and made lots of phone calls to find out all I could about what tech bulletins needed doing to her. Found a whole list of bulletins that included the following:
Brake Disk Torque
Cylinder Head Collar Nuts
Oil Non-Return Valve, Clutch Rod Jet & Carb Vent Hoses
Fuel Hose Protection
Water Pump Shaft
Fuel Pump vent-pipe.
After reading all the bulletins I decided to identify what had been done and do all the others that had'nt or that didn't apply.
Clutch update Not done as far as I know so I will tear this appart sometime and see what needs doing.
Brake Disk Torque Easy one, torque them as specified with loctite.
Cylinder Head Collar Nuts I have receipts for the head collar nut job and identified that it had indeed been carried out, well there is washers under the nuts anyway.
Swing arm pivot bolt I understand that this was only the really early bikes and only a small batch of bolts. Since mine is stuck I will just inspect it and make sure it is in good shape once I have got it out. If not I will replace it with a new one.
Oil non-return valve Done, the hose has been replaced and it has the new style clips on it to prevent the clip splitting the pipe. Clutch rod jet Also looks like this has been replaced with the right one. Carb vent hoses Not done so I will get the hose, drill the airbox as instructed and fit the new lines.
Fuel hose protecton I cant see that this is a major advantage so long as you route the hoses saefely and such that they are not going to get trapped anywhere! Probably leave this one.
Ignition Rotor This is a must regardless of whether it has been done before or not. I will get the parts to do this one, including some loctite 648! Il have to do this with the bike on the sidestand so its the last jobon the list.
Water pump shaft Have a receipt for a full water pump rebuild including shaft etc so this is good.
Fuel pump vent pipe Checked this out as stated in the bulletin and sure enough it was not in great shaped and appeared to be kinked a little. I am going to get some new silicon hose and replace this at the same time as doing to carb vent hoses.
Right, now I had identified all this little lot, time to trott off and see a mate to borrow a big hammer and make a tool to get the swing arm spindle out without damaging it.
I started with this
And then ended up using this !!
Here is the tool I made so that I did'nt damage the spindle. It was a long bolt from the local Lexus Dealer that had a 19mm head on it. I had it ground to the right diameter and the end turned nice and flat, and borrowed the big hammer (Thanks to Chuck at Sewell Lexus of Fort Worth for the above).
Its out! It was only the plastic coating on it that was making it so tight (and it was very tight!), it was parting company with the pin making the diameter bigger which was making it so diffacult to remove. Good news is that the pin is stainless and shown no signs of wear or damage at all so no need to buy a new one, I guess its got the right one in it (ref. tech bulletin #4). Just cleaned the spindle up with a bit of Emery to smoothe the roughness of:
While the swing arm was out I stripped it down and started to get it all cleaned up.
First thing I noticed while stripping it down was that it was full of water so I got all that drailed out, no need to be carrying extra weight about, they are heavy enough already!
There was about a pint of water came out :slurp!!!! I wonder if it was all the way from Virginia Steve?!? It'd make a good spare fuel tank, I think I might look into this one!
Once I got all the water out, I could still hear a load of racket inside ( ) so I spent a few minutes investigating and dragged the following out.......
The bearings and seals were given a thorough inspection and appeared to be in perfect condition, they just needed re-packing with grease.
Look at this, bearings, seals and races are like new
Got them re-packed with grease and back in place.
I was dissapointed with the finish on the swing arm, there seemed to be some corrosion on it or the coating was breaking up.
Anyway, I put some effort into it and would you look at that! it came out like a new one!
I then cleaned all the plastic bits so they look black again ready to build it all back up. While I was in cleaning mode I took the chain and front sprocket off and gave those a good clean too.
Assembled the swing arm back together with only the necessary parts. I left the chaingaurd off and going to leave to front sprocket cover off too so that I can clean that area properly without removing the cover all the time (horrible grime builds up behind it and although you can't see it......I know its there ).
Removed the top tripple clamp and drilled out the one way bolts for the ignition barrel ready to install into my new emig racing clamps thatll be here in a couple of days.
I also removed the steering stem and checked the bearings out. Surprisingly enough they had grease in there. I will clean the bearings up and check the races and if they need replacing, replace them, if not just re-pack them with grease.
Then came the wheels, eeeeuuuu they were grafted! I removed the cush drive and cleaned that up then set to at the wheels.
Before and After:
The disks are stainless steel but they too were in a bit of a state. I decided to remove them since I would have the re-torque them and loctite the bolts as stated in the tech bulletin. Whilst they were off I gave them the Pyndon treatment and out came a set of disks that looked like new. Now, I know I have ordered some floating disks, however they are not going to be here until my wheels arrive so I will have to use these for now.
Before and after:
The grime on the wheels looked like it had been there for a year and was about 1mm thick in places! Elbow grease sorted it all out and I got the hubs, spokes and rims all polished up and waxed. Got the old metal polish to the spokes and managed to get rid of all that nasty corrosion, they look like new. Assembled the wheels all back together and here they are, like new.
My hands are very sore after the days cleaning effort but Im making progress and starting to get more excited about getting it all back together. Seems to be moving on nicely.
Right now, out for an Italian tonight
..and some beer of course! Back tomorrow
Oh yeah, I also got a used Renazco seat after posting a WTB on the Flea Market. Save me having to wait for a new one and I get to keep the stock one for off-roading .
Day 5: Started piecing it back together
.and more cleaning!
Started to day by cleaning the clutch slave cylinder. Seemed to be quite corroded inside there since water had been getting in. So I cleaned it all up, greased it all to help prevent corrosion and then applied a small amount of sealant assembly as I re-installed it. This should help keep the water out in the future.
Before anf after:
Going to have to replace that vent hose...it's not to my liking!
Cleaned the entire engine, battery box and frame etc. ready to start building the bike back up. This was hard work but it looks a lot better than it did, its all surprisingly nice under all the crud!
Next up was the rear brake, and as with the front this too had no lubrication whatsoever and was pretty dirty. So I stripped it all down, cleaned it, lubed it up, applied anti-seeze compound to the pins and built it back up again.
A bit of inti-seeze on the swing arm spindle:
And off she goes back in and opperates smooth at silk now. Chain, sprocket rear brake back on at the same time. Looks loads better now, just waiting for the rear shock and then I can put the wheel in.
Cleaned the oil tank up and got that ready to install but befofe I do that I need to get some hose for the fuel pump vent. Tank install will have to wait for now.
Washed the Remus silencers and removed all the tar that was stuck on them that had been flicked up from the rear tire and all the chain lube from the chain. The stainless was badly marked and has lots of spots of corrosion of some type on it. I scrubbed and scrubbed with a load of metal polish and got them looking like new. Its hard work but I know once your on top of stuff like this, if you clean your bike regularly and thoroughly it will stay nice, so it will all be worth it.
Stripped the rear sub-frame down and gave it a good clean and the plastic a good restore.
Also removed the link pipe for the silencers and that was grafted just like the header pipes so I gave it a good clean and a polish while I was at it.
The old before and after again :
Thats it, sorry if this posts has not been very technical but the cleaning had to be done sometime! Ive kinda run out of things to do right now, just waiting for parts. I need the carb vent hose before I can re-install the carbs, the fuel pump vent hose before I can re-install the oil tank and the new triple clamps before I can fit those, ready to receive the front forks (which I have also yet to receive!). I am hoping to get all of this stuff this week so that I get the story finished next weekend with some nice pictures to compliment the job.
Well, on a different subject, I got a text message from a friend back home to tell me that England won their football game in the World Cup today. He said it like I knew they were playing but to be honest, I hate football and had totally forgotten about it . If it hasnt got an engine or you can't it then whats the point! Still, its good to know my home team are playing well.
Oh, yeah, also had an accident today, bike fell from its supports
..twice! Arrrgghh, it got me mad and a broken mirror..........a KTM folding one too!
Now if I was a superstitious type then that would mean bad luck right
..good job Im not
Well, I'm extremely right now, I'll be back next weekend with more to report. I hope to get it finished then. Have to work this week to build up the bike fund again.....it's empty!
Asta la vista..........baby
Sorry about the text size, it was all hunky doory but it took me that long to write the thing the site timed me out and then when I signed back in something funny happened and screwed it all up. Though I had lost it for a moment, I was about to throw the laptop out of the window!! :eek1
Damn Lyndon hell of a job dude
Figured out what happened with the text in the post. Someone posted a reply while I was writing mine. It doesn't like this !
Can we get a collective HELL YA MAN!
Steve... timeout 5 minutes...
Hi, this is an extraordinary piece of work. Thank you for documenting and sharing it with us.
1) What did you use to get your swingarm like that? mine is absolutely knackered (the satin finish is coming off in a bad way)
2) Your steel brake discs - how did you remove the rust and will it stay like that after some time?
Thanks a ton mate, extremely inspiring
After trying lots of different things I found that Scotchbrite was the best thing to use on both. Just scrub like hell and they come up eventally.
Now, with the brake disks they will stay like that yes, so long as you clean the bike regularly and detail it properly with the correct detergents. They are stainless steel so should not go like that but as with everything if it is left with dirt, grime and salt on it, eventually it will give in!
Now the swing arm is a bit different. My guess is that it has some kind of coating on it to stop it corroding, because aluminium will corrode when left exposed to the elements. But, since it looked so badand was already corroding I decided to ignore this and Scotchbrite that too ! You will certainly have to keep on top of it though, however I have done this before with bikes and if you keep them clean it will last a pretty good amount of time. Even when it does begin to go, it is much easier to clean up again with Scotchbrite the next time.......first time takes a lot of effort to get that coating and corrosion off.
Hope this helps!
Great write up!!
Thanks for taking us along.
May I ask what floating disks you will be useing Part Number
Thanks Pyndon! Because I am in SAfrica and we get slightly different products, is Scotchbrite the "steel goldilocks" used in the kitchen to scrape the bottom of pots etc?
Isnt that helluva abrasive and wont it leave scoring on the swingarm? Thats why I wondered what you are using
I post this link so that you can point out to me what youa re talking about.
Thanks a ton lads. This site is the dogs bollocks. Actually, more.
ScotchBrite comes in a number of abrasive gradients. Brick Red and Black are pretty heavy duty, Wouldn't use them on Aluminum. Green is medium I think, and White is pretty tame.
This is the stuff I used, maroon general purpose!
Thanks Gents. This must have taken some serious time. Any special lubrication you put on the scotchbrite for the swingarm and or discs? Metal polish?
Great work Pyndon, please keep the reports coming, will be very useful to the rest of us.
Daym Pyndon! That's a hell of a job. Absolutly awsome. You have probably done more to that bike than any dealer to a 950 ever has. Bravo
DAMN Steve! What kind of hoopty POS were you trying to foist off on us?!
Or is it that Pyndon is one of them anal-retentive types we all love to buy stuff from?!