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CheekyThomas Guvernor
Joined: 18 May 2007 Posts: 1374
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Posted: Sat Jan 05, 2008 9:21 am Post subject: |
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Yes theres the little intermediate gear... forgot the little guy!
I dont consider the belt system high maintenance... replacing a belt every 15,000km that takes 20mins and is easy to get to isnt exactly a problem.
And a GTS clutch replacement is quicker than a PX... and with the bonus of no messy oil to deal with.
Im glad technology has moved on... RIP PX... long live the GTS |
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MikeHolland Inspector
Joined: 26 Jul 2007 Posts: 150 Location: Sydney, Australia
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Posted: Sat Jan 05, 2008 9:57 pm Post subject: |
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Well, I have been working on geared Vespas for 40 years and a GT for 4 years, and my experiences are different. You must have a very well equipped workshop with power drivers at you fingertips for all the screws and bolts.
I only have one power tool - an impact driver. And I have learned the hard way that it is only to be used for undoing, never for tightening. Just use it to loosen the clutch and variator nuts.
I guess we have beaten this topic to death. Cheers, Mike _________________ Vespa GTS250 Vintage Red |
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Innocenti Big Cheese
Joined: 14 May 2007 Posts: 1205 Location: Surrey Village
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Posted: Sun Jan 06, 2008 9:52 am Post subject: |
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mike your j costa worn already then ????????????????? _________________ GTS OWNERS CLUB
LONDON LAMBRETTA CLUB
DARKSIDE
ITS ONLY A SCOOTER !!!!! |
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MikeHolland Inspector
Joined: 26 Jul 2007 Posts: 150 Location: Sydney, Australia
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Posted: Sun Jan 06, 2008 11:55 am Post subject: |
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No, the Costa is doing fine.
But my clutch is slipping too much on pull-off. I have Malossi clutch springs installed as well, and with the Costa it seems that the engine is revving too much and the clutch slipping too much before it takes. So I intend to revert to the original clutch springs.
My impression is that J.Costa has the variator just right for an otherwise standard engine, and no further tuning required to the transmission. But that still leaves Malossi camshaft and cylinder, performance exhaust and many other tuning options.
Mike _________________ Vespa GTS250 Vintage Red |
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Innocenti Big Cheese
Joined: 14 May 2007 Posts: 1205 Location: Surrey Village
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Posted: Mon Jan 07, 2008 10:27 am Post subject: |
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how many miles you done on the costa now ???
i have found the Dr Pulley weights are lasting longer than the standard ones in the polini variator, now i have a PM im thinking new belt and j costa the way forward?? _________________ GTS OWNERS CLUB
LONDON LAMBRETTA CLUB
DARKSIDE
ITS ONLY A SCOOTER !!!!! |
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Scooterist007 Inspector
Joined: 28 May 2007 Posts: 141 Location: Lowestoft, Suffolk
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Posted: Mon Jan 07, 2008 3:07 pm Post subject: |
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i think you could talk allday about pros and cons etc but please remember what the original thread was about and not hijacking it! _________________ Smoke me a kipper, I'll be back for breakfast.
Lowestoft Deserters SC, Darkside Norwich Broadsman |
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