Back in business - 7 years later

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Kalim
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Re: Back in business - 7 years later

#46 Post by Kalim » Sun Mar 26, 2017 6:33 pm

Kalim wrote:First, the heads of the bolts #18 and #17 are hardly accessible ! :shock: Looking at the destroyed heads, they were tightened with hammer and burin last time.
That's also how I had to untighten them.
Are they supposed to be H screws ? There is no room for a socket, CHC would be easier to access.
Ok, I've just seen in the microfiche that they should be CHC, not hexagonal heads.
They used the wrong heads last time, they couldn't tighten them cause no room for a socket, so they used a hammer ... :mad: .

silverstrom
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Re: Back in business - 7 years later

#47 Post by silverstrom » Sun Mar 26, 2017 9:43 pm

Kalim wrote: All bearings were installed with a lot of "green resin", some kind of Loctite ? I found it on all bearings journals.
Green Loctite is bearing retainer. It is used to stop the bearing race from rotating in the journal. It is typically used for bearings that do not have knock pins to hold the bearing in place. I use it when required.

Which bolts are you talking about? #17 and #18 on which page of the parts list?

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Kalim
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Re: Back in business - 7 years later

#48 Post by Kalim » Mon Mar 27, 2017 3:28 am

Thanks for the confirmation of the Loctite.
By the way all my bearings have the lock pin. Maybe they though it was safer.
Does it also have the role of filling clearance around the bearing ?

Sorry, I'm not clear about the #17 and #18 bolts.
Each of the 18 crank case bolts location has an id number molded onto the top crankcase, from 1 to 18.
I've assumed it was for the tightening order for assembly and disassembly.
So I wrote about the one that have the 17 and 18 numbers, molded on the top cranks. At the front end of the lower cylinders.

Item 15 on the crank case assembly, 2 off screw 90149-08198
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Speed Freak
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Re: Back in business - 7 years later

#49 Post by Speed Freak » Mon Mar 27, 2017 9:44 am

Bolt 15 should be a CHC bolt.
Not really easy to open because they are quite soft.
At least I had to open one with a Torx on my spare engine (original engine lower end is not opened up to now).

As far as I remember they are quite flat, standard bolts are maybe too high.
I can check it at home if you need the dimensions, they should be on the shelve next to the entrance door of my garage :grin:
My bikes:
RD500 YPVS 1GE
RD350 YPVS 31K 1985
Honda CBR 1000 RR SC57
Yamaha R1 RN04

Ron57
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Re: Back in business - 7 years later

#50 Post by Ron57 » Tue Mar 28, 2017 6:58 am

Hi those two bolts are 5mm allan dome head, still avalible from yamaha.
No washers needed.
Cheers Ron

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jackson.40
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Re: Back in business - 7 years later

#51 Post by jackson.40 » Tue Mar 28, 2017 7:59 am

Part number was 90149-08198 S/S to 92017-08050 (8mmX50mm)

http://www.cmsnl.com/products/boltbutton_9201708050/" onclick="window.open(this.href);return false;

Steve

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Kalim
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Re: Back in business - 7 years later

#52 Post by Kalim » Tue Mar 28, 2017 8:59 am

Thanks ! :smt023
Sounds much more coherent looking at the space around the head.

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Kalim
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Re: Back in business - 7 years later

#53 Post by Kalim » Tue May 09, 2017 7:52 am

I am now waiting for the cranks and cylinders to come back from UK.
PJME is taking care of them.

So in parallel I'm moving forward on the rest of the bike. That was a good week-end working on the project ! :grin:

Sorted out all the bits and things in steel that will need new surface treatment.
Everything is in a bucket now.

Image

I couldn't remember what is the part in the bottom left corner ?
Same for the part on the right side, in the middle.

Image

Image

Image

Anybody thinks I missed some ?
Last edited by Kalim on Tue May 09, 2017 8:11 am, edited 1 time in total.

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Kalim
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Re: Back in business - 7 years later

#54 Post by Kalim » Tue May 09, 2017 8:04 am

So I had to disassemble the pair of carbs, and I took this opportunity to take a look inside... not nice !

Green sticky paste everywhere. I'll have to do a strong cleaning in perspective.

Image


And there was a completely seized screw on a carb bracket. I constraint it too much until carb body breakage.
I will repair with bi-compound glue. I've done that already on another bike with good success.
This part is not under pressure nor depressure, should be okay.

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Kalim
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Re: Back in business - 7 years later

#55 Post by Kalim » Tue May 09, 2017 8:09 am

And the YPVS box was unsealed.
Two resistors have started to oxyde.

3-4 years ago I remember the YPVS servo was working, so I assume the control unit was OK too.
Well, if the YPVS servo doesn't work when the rebuilt is done, I'll know where it comes from :grin: .

At worst, Zeeltronics make aftermarket ones I think.

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Image

podman
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Re: Back in business - 7 years later

#56 Post by podman » Tue May 09, 2017 11:47 am

Interesting pics mate, keep posting them.

Bugger on the carb breaking like that but sounds like you have it under control.

silverstrom
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Re: Back in business - 7 years later

#57 Post by silverstrom » Tue May 09, 2017 2:19 pm

That PV Controller PCB has the same p/n as the 1985 RZ350 controller.

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Re: Back in business - 7 years later

#58 Post by MK » Tue May 09, 2017 2:59 pm

The PCB's have the same numbers but the "coding" to control the PV actuation rpm is different.
Check my manual on how to optimize it once you already have the soldering iron out.
http://l3s9113.zeus09.de/RD350/Manual_P ... cation.pdf" onclick="window.open(this.href);return false;

Other than that I anyway recommend a programmable ignition/PV unit. In case of the RD500 the Zeeltronic seems the better choice (had several issues with Ignitechs here).
Bye
Martin

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Re: Back in business - 7 years later

#59 Post by jackson.40 » Tue May 09, 2017 3:20 pm

The bracket bottom left is the two stroke oil pump cable bracket

The bracket on the middle right is the chain guard bracket

I can't see your front fuel tank bracket,battery box bracket,two stroke oil pump bleed hose bracket,rear indicator bracket,
rear mudguard reinforcement bracket or rear brake hose guide bracket.These parts but may not be needed as the bike is not standard.

Are you also missing a rear belly pan bracket?

Don't forget to take the spacers off the four carb clamps if your in the mood.


Steve

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Kalim
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Re: Back in business - 7 years later

#60 Post by Kalim » Tue May 09, 2017 3:50 pm

jackson.40 wrote:The bracket bottom left is the two stroke oil pump cable bracket

The bracket on the middle right is the chain guard bracket
Thank you Steve !
I can't see your front fuel tank bracket,battery box bracket,two stroke oil pump bleed hose bracket,rear indicator bracket,
rear mudguard reinforcement bracket or rear brake hose guide bracket.These parts but may not be needed as the bike is not standard.

Are you also missing a rear belly pan bracket?
Haha !?
Fuel tank and battery box bracket, I must have them somewhere ! Will look deeper in the garage !
Indicator, mudguard, hose guide I probably didn't have them with the bike.
The belly pan is in very bad state so I'm probably missing one of the brackets.

Thanks a lot for the list !
Don't forget to take the spacers off the four carb clamps if your in the mood.
I don't get what you mean :smt017

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