Modern Vespa : Gearbox

Gearbox

OP danielbrucee UTC details Member Vespa VBB2Vespa GSVS5 Joined: UTC Posts: 29 Location: Indonesia
OP danielbrucee Member Vespa VBB2Vespa GSVS5 Joined: UTC Posts: 29 Location: Indonesia	UTC quote Hi so I have I guess somewhat of a race set up. VMC 187 block, reed valves, PWK carb, SIP superstrong clutch (6 normal springs, 3 race springs). Now my question is what gear oil should I be using and how much of it? The local mechanic reccomends using more oil ie 600ml and for the oil Motul diesel 5W-40 he says he's had good results with.

roland87 UTC details Molto Verboso '13 LML Star 200, '81 50 Special, '81 P 150 X, '89 PK 50 Nuova, '84 PK 50 S, '82 PK 50 S Joined: UTC Posts: 1727 Location: Ukraine. Kyiv.
roland87 Molto Verboso '13 LML Star 200, '81 50 Special, '81 P 150 X, '89 PK 50 Nuova, '84 PK 50 S, '82 PK 50 S Joined: UTC Posts: 1727 Location: Ukraine. Kyiv.	UTC quote There is SIP Supersoprt and SIP Ultrastrong clutches. Oil type depends on what plates you have. If it is CR80 plates then 10W40 motorcycle engine oil is your choice. 400 ml of oil is absolutely enough. Positive

Ginch UTC details Veni, Vidi, Posti 74 Super, 75 Super, PX project, LML off-roader and '66 Blue Badge Smallframe Joined: UTC Posts: 9527 Location: Ballarat VIC, Australia
Ginch Veni, Vidi, Posti 74 Super, 75 Super, PX project, LML off-roader and '66 Blue Badge Smallframe Joined: UTC Posts: 9527 Location: Ballarat VIC, Australia	UTC quote My opinion is that almost any oil will work, but if you've had that recommendation it's worth a try. As Roland says 400ml is plenty, even then you will need to extend your breather to stop it pumping out all over the place. Or use a VMC breather.

Veloce Vulture

UTC

details

Banned

1957 NSU Prima III

Joined: UTC
Posts: 945
Location: House Arrest

Veloce Vulture

Banned

1957 NSU Prima III

Joined: UTC
Posts: 945
Location: House Arrest

UTC quote

Ginch wrote:

My opinion is that almost any oil will work, but if you've had that recommendation it's worth a try.

As Roland says 400ml is plenty, even then you will need to extend your breather to stop it pumping out all over the place. Or use a VMC breather.

External inline image provided by member with no explanatory text

External inline image provided by member with no explanatory text

I've pulled a few SEA scoots apart, and it could have only been used deep fryer oil in the box.
Part of a coconut water can was used as a bearings case shim,

Positive

Ginch UTC details Veni, Vidi, Posti 74 Super, 75 Super, PX project, LML off-roader and '66 Blue Badge Smallframe Joined: UTC Posts: 9527 Location: Ballarat VIC, Australia
Ginch Veni, Vidi, Posti 74 Super, 75 Super, PX project, LML off-roader and '66 Blue Badge Smallframe Joined: UTC Posts: 9527 Location: Ballarat VIC, Australia	UTC quote Veloce Vulture wrote: I've pulled a few SEA scoots apart, and it could have only been used deep fryer oil in the box. Part of a coconut water can was used as a bearings case shim, Needs must!

OP danielbrucee UTC details Member Vespa VBB2Vespa GSVS5 Joined: UTC Posts: 29 Location: Indonesia
OP danielbrucee Member Vespa VBB2Vespa GSVS5 Joined: UTC Posts: 29 Location: Indonesia	UTC quote Ginch wrote: My opinion is that almost any oil will work, but if you've had that recommendation it's worth a try. As Roland says 400ml is plenty, even then you will need to extend your breather to stop it pumping out all over the place. Or use a VMC breather. Great thanks for the info, I'll definately try that 👍🏻

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