OP
@greasy125 avatar
UTC

Sergeant at Arms
Weird 80's Vespas & Cool Vintage Lambrettas
Joined: UTC
Posts: 14987
Location: The state of insanity, SoCal
 
Sergeant at Arms
@greasy125 avatar
Weird 80's Vespas & Cool Vintage Lambrettas
Joined: UTC
Posts: 14987
Location: The state of insanity, SoCal
UTC quote
so, I got this malossi 135 in a parts lot. I think there's a head around here somewhere for it and maybe a piston. but I was more concerned about whatever the ham-fisted porting pro was up to with this thing and if it's even salvageable. thoughts? concerns? ideas?
spigot/transfer and deck/sealing area
spigot/transfer and deck/sealing area
intake exterior
intake exterior
intake interior
intake interior
UTC

Addicted
PK50XL, PK100S, ET3, Matchless G80S, Honda CBR400RR, Ducati ST4S
Joined: UTC
Posts: 636
Location: UK
 
Addicted
PK50XL, PK100S, ET3, Matchless G80S, Honda CBR400RR, Ducati ST4S
Joined: UTC
Posts: 636
Location: UK
UTC quote
You know a lot more than me, and the fact you are asking makes me think the best advice is bin it.

Maybe you could rescue it, but the time spent on that would be better spent on something that was good to start with. And how much is a new malossi 135 top end? It's not like its something exotic that costs an absolute fortune.
UTC

Jet Eye Master
PX221 MHR, O tuned PX200, PX181, PX125 and some motorbikes
Joined: UTC
Posts: 4667
Location: London UK
 
Jet Eye Master
PX221 MHR, O tuned PX200, PX181, PX125 and some motorbikes
Joined: UTC
Posts: 4667
Location: London UK
UTC quote
If you can get the base surface fixed. Turned on a lathe to be flat again. Everything else is fixable. Running reeds, there is probably a lot of tuning not done to that. Rest is fixable.
Assume you have the gear to hone it and see if the piston is ok without a re-bore.
If it needs a new piston its junk.
@safis avatar
UTC

Ossessionato
1979 P150X, 1983 P200E, 1987 PK125XL Elestart, 1988 T5, 1995 PX200E, 2011 Yamaha Fazer 600 S2
Joined: UTC
Posts: 4390
Location: Veria, Greece
 
Ossessionato
@safis avatar
1979 P150X, 1983 P200E, 1987 PK125XL Elestart, 1988 T5, 1995 PX200E, 2011 Yamaha Fazer 600 S2
Joined: UTC
Posts: 4390
Location: Veria, Greece
UTC quote
Looks like an old dual intake kit to me…
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