Ipotesi 400cc kit - MVAgusta.net
 
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post #1 of 10 (permalink) Old 12-15-2014, 03:32 AM Thread Starter
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Ipotesi 400cc kit

Can anyone please confirm piston size of the 400cc kit. I'm rebuilding engine after valve let go .
standard bore size is 63 mm x 56 mm stroke , mine is 67 mm bore , 4 mm larger , so need to find out the piston diameters to confirm 400 cc kit . Need to Find out about the 400 cc piston kits / head gaskets and what they do with the cylinders from standard , do they bore the cylinders out to suit the oversize pistons , in this case we buy a new cylinder assembly or is there a new cylinder sleeve that can be fitted to existing cylinder ??
Do they use standard size valves on the 400cc kit?

1946 Mv Agusta "98"
1955 Mv Agusta 175cs
1960 Mv Agusta Rapido sport 150
1974 Mv Agusta 750 sport
1977 Mv Agusta 350 Felotti
2004 Mv Agusta F4 SR
2005 Mv Agusta Tamburini
2001 Ducati Mh900e Carbon dream
2004 Ducati 998R
2015 Vyrus 987

Last edited by adrian; 12-15-2014 at 05:13 PM.
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post #2 of 10 (permalink) Old 12-16-2014, 04:57 AM
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Originally Posted by adrian View Post
Can anyone please confirm piston size of the 400cc kit. I'm rebuilding engine after valve let go .
standard bore size is 63 mm x 56 mm stroke , mine is 67 mm bore , 4 mm larger , so need to find out the piston diameters to confirm 400 cc kit . Need to Find out about the 400 cc piston kits / head gaskets and what they do with the cylinders from standard , do they bore the cylinders out to suit the oversize pistons , in this case we buy a new cylinder assembly or is there a new cylinder sleeve that can be fitted to existing cylinder ??
Do they use standard size valves on the 400cc kit?
A, I believe that either Giovanni, Primo or Albert maybe able to supply all that you need to achieve the over bore and rebuild; let me know if you would like me to follow up


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post #3 of 10 (permalink) Old 12-16-2014, 06:05 AM Thread Starter
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A, I believe that either Giovanni, Primo or Albert maybe able to supply all that you need to achieve the over bore and rebuild; let me know if you would like me to follow up
J, we just need to confirm the piston size for standard or 400 to know if we have the 400cc kit on it. I have sent a email to Giovanni, UK spares and Rob Rossi. That way we will know which way to go with the parts.
I only sent it yesterday and still waiting for reply . If I don't here anything maybe if you could ask Giovanni or Albert, I'll let you know. Giovanni would be the best as he sold the kits.

1946 Mv Agusta "98"
1955 Mv Agusta 175cs
1960 Mv Agusta Rapido sport 150
1974 Mv Agusta 750 sport
1977 Mv Agusta 350 Felotti
2004 Mv Agusta F4 SR
2005 Mv Agusta Tamburini
2001 Ducati Mh900e Carbon dream
2004 Ducati 998R
2015 Vyrus 987
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post #4 of 10 (permalink) Old 12-16-2014, 08:15 PM
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J, we just need to confirm the piston size for standard or 400 to know if we have the 400cc kit on it. I have sent a email to Giovanni, UK spares and Rob Rossi. That way we will know which way to go with the parts.
I only sent it yesterday and still waiting for reply . If I don't here anything maybe if you could ask Giovanni or Albert, I'll let you know. Giovanni would be the best as he sold the kits.
No probs A let me know how you go..................


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post #5 of 10 (permalink) Old 12-18-2014, 02:45 AM
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Finally seen this Adrian, But we've already spoken

All the best mate.

Cheers
Rob


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post #6 of 10 (permalink) Old 12-18-2014, 05:14 PM Thread Starter
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I have confirmed it has the 400 kit. Thanks Rob. I also got a email last night from Giovanni who confirmed this also. Just hope UK spares have some Pistons,gaskets and cylinders as Giovanni has nothing but he is going to check today.
Does anyone know if the cylinders were bored out from a standard cylinder to suit the bigger Pistons? Or can a sleeve be used in existing cylinder?

1946 Mv Agusta "98"
1955 Mv Agusta 175cs
1960 Mv Agusta Rapido sport 150
1974 Mv Agusta 750 sport
1977 Mv Agusta 350 Felotti
2004 Mv Agusta F4 SR
2005 Mv Agusta Tamburini
2001 Ducati Mh900e Carbon dream
2004 Ducati 998R
2015 Vyrus 987
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post #7 of 10 (permalink) Old 12-20-2014, 06:17 PM Thread Starter
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Just found out they are standard cylinders bored out to suit the bigger pistons,everything else is standard . A big thanks to the UK owners club for the information .

1946 Mv Agusta "98"
1955 Mv Agusta 175cs
1960 Mv Agusta Rapido sport 150
1974 Mv Agusta 750 sport
1977 Mv Agusta 350 Felotti
2004 Mv Agusta F4 SR
2005 Mv Agusta Tamburini
2001 Ducati Mh900e Carbon dream
2004 Ducati 998R
2015 Vyrus 987

Last edited by adrian; 12-20-2014 at 06:43 PM.
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post #8 of 10 (permalink) Old 10-08-2016, 11:15 AM
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@adrian
Hi, are you still working on an Ipo with the 400ccm kit? If yes, can you describe the things to modify?

We are building an Ipo engine with 71 mm! All is solved but we are stuck a little bit with the ignition. We will solve that over the winter time.

Next project could be an Ipo engine with 73 or 74 mm bore!

Best Alfred
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post #9 of 10 (permalink) Old 11-16-2016, 10:42 AM Thread Starter
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@adrian
Hi, are you still working on an Ipo with the 400ccm kit? If yes, can you describe the things to modify?

We are building an Ipo engine with 71 mm! All is solved but we are stuck a little bit with the ignition. We will solve that over the winter time.

Next project could be an Ipo engine with 73 or 74 mm bore!

Best Alfred
Hi yes still working on it or waiting. Very slow process here as not many can rebuild crank ,rods and Pistons. My bike has the 400 kit , we actually got new Pistons made locally . Not much to it ,just bore out head for bigger Pistons ,everything else is the same

1946 Mv Agusta "98"
1955 Mv Agusta 175cs
1960 Mv Agusta Rapido sport 150
1974 Mv Agusta 750 sport
1977 Mv Agusta 350 Felotti
2004 Mv Agusta F4 SR
2005 Mv Agusta Tamburini
2001 Ducati Mh900e Carbon dream
2004 Ducati 998R
2015 Vyrus 987
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post #10 of 10 (permalink) Old 10-26-2017, 06:20 AM
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Quote:
Originally Posted by adrian View Post
Hi yes still working on it or waiting. Very slow process here as not many can rebuild crank ,rods and Pistons. My bike has the 400 kit , we actually got new Pistons made locally . Not much to it ,just bore out head for bigger Pistons ,everything else is the same
So the rods stay the same if you go 400cc?
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