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1975 Ke20 "rally Rolla"

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  • Author

Thnks a lot for all the tips! assembled the engine but i need to tighten the head to toque specs :)

installed a clutch pump...

clucthpump in the middle

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test fitting engine

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Edited by SM Hunter

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  • oh and this after

  • Awesome work bro. Gonna be too good to rally soon.

  • Plastic sheet between 1mm and 3mm thick is easy to find, it just has to be big anough to cover one cyl. drill a 5mm hole through it & seal it with grease around the edge.   25ml graduated burett

Posted Images

Not a lot of room for air cleaners with the wide heads!

 

Those clutch screws look pretty weak. Usually the are 8mm bolts.

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  • Author

i have mesh filters ;)

don't worry ... the upper one is orignal had to space out the lower mount of the pump to align it better with the pedal, the screws are big enough :) bad pic :)

Edited by SM Hunter

  • Author

mounted coil and fuel pump

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last time this is out i hope

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exhaust is a bit low.. need to heat it up then bend it..

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tried using a propane burner to get it hot.. nahh

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had to get some more heavy duty stuff.. cutting torch..

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welded the manifold to the orginal exhaust.. probly way too small

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hmm.. alternator mount

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welding

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a better alternator mount

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JDM as F**K

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mounted everything together..missing

-Gearbox oil

-iginition--> firing it

-gear lever

-getting the air out of the cluch system

and checking everything..

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So cool, coming up well!

  • 4 weeks later...
  • Author

Thanks :) found out cams where wrong , fixed that and then it fired up, had to pullstart it due to bad starter, so now i have a few porblems i need to fix, not running good, idle is good but i need to carefully step on the throttle to prevet killing it, if i push the pedal to the floor it dies... and i have a ticking noise from the gearbox.. grrrr and that bad starter...

anyways, opned up the carbs and cleaning them out :) also giving them a light polish :)

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Put some fuel in the carbs and make sure the pump jets squirt it all over the floor before you fit the carbs back on. On a Weber you can shoot a jet of fuel right across the garage.

 

i need to carefully step on the throttle to prevet killing it,

 

That sounds like a blocked pump jet, unless the jets are much much too small so it is very lean.

  • Author

yeah, I'm starting to understand why theese kind of carbs use a lot of fuel!

2/4 of the accs pump jets where blocked, took the whole carbs apart, cleaned, used a air gun and carb cleaner to clean everything, and blew thorugh all the jets, then polished them up a bit, put it toghether but I'm having problems with 1 part but ill look into that later :)

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had new pumps laying, aswell as floats needles:)

 

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its soo nice to know how the stuff you have under the hood works, I'm almost glad the carbs where clogged up so i got a chance to learn how side draft carbs work

Edited by SM Hunter

Nice work! I'm going to throw mine in a friend's ultrasonic polisher when I kit them, but yours look great.

 

I'm so envious that you achieve all this in a timeframe that makes me feel.. lazy!

 

The only real design flaw with these carbs is that the inner venturis always work loose as they are only held tight by the grub screw that goes through the body at 45 degrees, resulting in poor idling and economy. The grub screws can of course be tightened, but over-tigthening risks cracking. Try to secure the inner venturis as best you can with some kind of sealant and/or locktite.

  • Author

Thanks, I'll take it apart and put locktite there for sure! yep, ultrasonic would be the best, cleaning them by hand takes time and always leaves some spots...

 

anyways, I'm not done with the carbs, the top is just placed there I'm still missing something inside...

is part #73 supposed to sit halfway above the top of the carb? can't remember it was like this when i took them apart...

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  • Author

fund out its supposed to sit halfway up, but i know this question is pretty stupid but i just want to be sure... O-ring up or O ring down? i don't know if its sealing something in the chamber top or whaterever?

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Is that an air jet?

 

If the top is wider than the thread, then the O-ring goes just under the top rim and seals against the carb body, like your left-hand picture.

 

If the screw is straight-sided then the O-ring must seal under it, like your right-hand picture but right underneath the top screw.

 

It should screw down firmly on something, not just sit somewhere without screwing in properly.

 

I'm a Weber man unfortunately, so I haven't had Solexes apart.

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  • Author

sorry for a really bad explanation but it studied the manual and found out how its suposed to be :) i think they are part of the accs pump assembly.. anyways, the accs pumps worked liek a dream! squirted like they should, atleast i think!

got the carbs back on the engine.. 1 problem less!

 

now i just need braided fuel hose to go with my fancy fuel lines

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Edited by SM Hunter

Lookin' good!

 

If this motor goes like it should you will be amazed, excited and estactic with the performance, a massive change from the K.

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