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some advice needed with regard to removing the castle-nuts. bought a C-spanner (like this one https://www.kramp.com/shop-nl/nl/vp/40-haaksleutels-met-nok--ticItemGroup-47679441?categoryId=web6-4149690 ) but can't move either nut, not even with a fair amount of force. so how to undo these nuts for re...

received a left-side engine case today. will be used for fitting an external oil-filter. time-frame: unknown but probably before next season

Some roads in Germany (Eiffel) have already been closed
If you are controlled, checked by the police and you have a non-standard (eingetragen) exhaust, you can leave your bike and collect it later by trailer.
In Austria some roads are closed for specific types of motorcycles due to noise emmissions.

what are "eejits" I plead guilty to riding a BSA twin with megatons fitted. ten miles from home my wife would start the tea-kettle. but that was 30 odd years ago. nowadays I stick to the factory supplied exhaust as: ( in no specific order) 1. I'm riding with earplugs. 2. the noise doesn't ...

ould it be possible to move the noise to the general topic section?

well, I'm not sure. however I've to look into it. at least the bike must comply with the noise-regulation at the time of first admission. but I do not know what the admitted noiselevel in the '80 is. and the valentini has a healthy roar. motorcycle generated noise has been getting more and more poli...

status as of today: - belt replaced for new - tires renewed the tires were indeed from wk 25 1982. took some effort the remove the hardened rubber. fitted bridgestone battleaxe (BT46) 90/90 front, 110/90 rear. my experience with bridgestone is good, use them on the BSA and LM as well to great satisf...

http://www.loutrel.org/Veglia.html

schematics of the rev-counter

BumbleBee wrote: ↑26 Oct 2021 10:33 Just a thought. The model of electronic tacho on Morinis are very specific to Morinis because of the firing interval,
G&A

no, not really.
there one grey wire from a transducer to the tacho, so its one pulse every 720 degrees, 2 crankshaft rotations

ultrsonic clean -> will do, eventually
first objective is to get it on the road.
new tires and RDW are for next week

well, at the moment it is difficult to start on E5/E10 and won't idle. When warm it will idle at 1200 rpm, requiring choke and then suddenly die. cleaning carbs didn't improve anything at all. Out of curiosity bought a canister of Aspen-fuel and presto, 1100 rpm tick-over and no stalling. test-ride ...

bought a container aspen 4-stroke fuel, bike starts much easyer and idles at 1100 rpm without chokes. short testride proved positive. so carburation etc is quite good for normal fuel. have to decide if I'm going to run it on this fuel or re-yet the engine for modern fuels. checked the timing belt, s...

did some work on the MM500 today. it is difficult to start but I have to recommission the bike. so carburettors will be cleaned and ignition timed. When running at 2000 rpm the battery is charged so the regulator does work (apperently). the choke must be used to keep it running. when I turn the chok...

Yes, rather noisy. The aim is to make it street-legal. So the tires will have to be replaced as these are very old. And the exhaust system will be replaced/modified. at the moment it is a Valentini two in one. Then have the bike checked by the RDW for dutch plates. The engine starts but not easily, ...