Derbi Senda/Gilera RCR

iv just got hold of this one owner bike, it’s been in dry storage for 11 years and only covered 8000km

I have change every fluid cleaned the carb/jets new tyres ect ect

Any way it starts and runs well iv perchased a new sport exhaust nothing to fancy,apart from that it’s completely stock. I want to do away with auto lube and run it premix,does any one have knowledge of a safe premix amount for these engines and is it suitable, any body familiar with the Derbi Senda 50 engines I think it’s a Morini type id be grateful

Cheers

 

Oooh its an early one. Ermmm... im useless at premix amounts, start with too much oil. Its better to run too much than not enough. Plenty of apps to work it out.

 

What would you say 40:1 or 50:1 and in your opinion do think it’s safer than the auto lube ​

 

Yea it’s early

 

I wonder what ratio the pump feeds at

 

I would keep the auto lube. You can adjust the cable to run more oil.
Use good oil. No own brand carzone or whatever.
The waterpumps sometimes fail on them too, it starts dripping out the pump, the seal things go hard or something.
Oh and remember chain lube, once a week

 

Ok nice one, yep changed the sprockets and chain so need to oil it

 

Believe it or not i have just found the stock fuel oil ratio!its written in the owners manual.
It says 2% so that’s 20ml to every litre of fuel 50:1

 

Just needs the missing exhaust and ready for a test ride

 

Exhaust on and went for a ride.The difference between a auto and geard 50cc, wow!! worlds apart when it gets in to the power band

 

You should ride a proper sports bike....
50cc seems like nothing when you have ridden triple digit horsepower....

 

I have lol my old mans 1100 bulldog plus many big cc crosser thumpers

I Was just shocked at the difrence between a auto and a geard 50cc there nothing alike power wise!

 

Yeah, I think an auto looses a lot through the transmission.