piaggio nrg power 70cc

hmm, i was thinking about the stage 6 70 kit

 

just ordered some jets and slightly heavier rollers as its a bit to revvy after riding it round for a few days

 

got rollers sorted today so setup now is...
hard stage 6 torque spring
lighter clutch bell
polini belt
hard clutch springs
polini variator and
3, 5.75g rollers and 3 7g rollers
the setup before was to revvy and shit top end now its pulls hard all the way to 60 without it revving up to much well happy with it now just need to get new spark plug and ht lead :/ will be going up for sale soon

 

why you are going to sell it?

 

car but might get a runner 125 or summit like that when ive got my car on the road

 

you got bored of the nrg mate???

 

http://www.pedparts.co.uk/product/140/polini-sport-70cc-cylinder-kit-piaggio-air-cooled are these kits any good does anyone know decided to rebuild it

 

right got a few problems reall noisy from side casing so going to replace all the bearings this weekend and does anybody know if its an easy job or is it a bitch? i got loads of play in the rear shaft up and down... what will i need to get the bearings out and is it just the bearings in the gearbox cover and casing? all help would be appreciated.

 

do you know where i could get one??

 

or what is the recommended way to get them out without a puller??

 

had enough now went to start my bike earlier just kept turning and turning nothing happened then it started to backfire. ive checked for compression and spark cleaned out the carb and everything is fine but still... nothing. i have been told that it could be reed valves so going to five that a go tomorrow. this bike is just turning into a money pit haha. needs a tyre rear brake cable as the adjust has snapped off, reed valves by the sounds of it and gearbox bearings. NIGHTMARE!!!!!!!! are reed valves easy to changee??

 

right bit more of an update... just ordered a reed block and inlet manifold as mines perished. ordered a few other little bits got the reeds out today and they are fucked which is a relief :/ lets just hope it runs. once i got it running its still going to need bearings too which is a bastard my bikes been fine for 6 months no problems and now they are all coming at oncee

 

yeah changing the reed block is a piece of cake also what bearings you want to change?? the one that are on the crank??? up where the piston sits?

 

bike still wont start got a new air filter manifold and reed block nothing. tryed putting the reeds off the new block onto the old tried my old filter and my old manifold still nothing but it back fires badly?? any ideas people? compression is good good spark, cleaned the carb and the plug is wet if you keep kicking it?? pleasee helppp!!!!!

 

right so i have found the problem! the piston is fucked. luckily the barrell is intact so thats good news. just ordered a new piston and ring and little end bearing and gasket set so hopefully! fingers crossed i will have it back on the road again pictures of work will be up soon

 

thank god you found a solution mate but i cant understand how a fucked piston cant fire the engine up all of a sudden?

 

just loss of compression it did run then cut out on me so must of just done the last bit of damage haha ill post pics of piston tomorrow

 

ah got it now