hochkoenig
Senior member
- Location
- Salzburg-Austria
This came across- any Info?s anyone? Interessting Engine...
Tuschez
- Thread starter hochkoenig
- Start date
lavgert
Hero member
- Location
- Vienna, Austria
Romeo.D
Hero member
- Location
- Zadar - Croatia
Nice, there was few years ago discussion about belt drive in oil. Think this solution my work , air coled and not oil lubricated.
- Location
- Calgary, Alberta, Canada
Romeo.D said:
Dry clutch? Wonder how the clutch was dealt with?
Paul LeClair
G
Grant
Guest
Dryly.
breganzane
Hero member
- Location
- NSW Australia
Paul LeClair said:
I seem to recall they used a 750 clutch which is smaller in diameter, allowing a sort of re-entrant case to be fabricated which located a seal at the base of the mainshaft. Nice work alright.
Mactriple
Hero member
- Location
- Wide Bay Queensland
I think that the swingarm was from a 250 (Aprilia/RGV?) and caused some handling issues. I tried many years ago to get the Laverda Club in Queensland to look at making a primary belt drive kit like that. There was someone in Victoria marketing a belt drive system but the enclosure of the drive belt caused overheating and failure.
Ian
Ian
Dellortoman
Hero member
- Location
- Tasmania, Australia
Swingarm is from an Aprilia 125 
Well spotted, Cam. 
The swingarm is built up from bolted-together castings, good enough for a 125 but probably a bit lacking in this case, the bike is'nt "leggera" enough I guess...
Frame is home-built using dimensions taken from a modern MV iIrc. Front end and wheels from a later GSXR. Engine is basically a 120? RGS lump, for which I re-phased the crank to 180? because Hans prefers it like that (he anticipated problems with a solid-mounted 120? donk). The lube system was re-routed to incorporate the external spin-on filter. Belt drive consumed the most hours, 750 clutch used in order to gain a bit of space to fit a seperating cover behind it and to confine the oil pump. A bit of a step backwards is the ignition system, taken off the ex. cam, using, of all things, Ducati 450 points and advance/retard mechanism! The shortened alternator housing only covers the starter clutch, the actual alternator is located behind the starter and is belt-driven from the drive sprocket, at a stand still, electrics are total-loss. Carbs are RS36 Mikunis.
piet
The swingarm is built up from bolted-together castings, good enough for a 125 but probably a bit lacking in this case, the bike is'nt "leggera" enough I guess...
Frame is home-built using dimensions taken from a modern MV iIrc. Front end and wheels from a later GSXR. Engine is basically a 120? RGS lump, for which I re-phased the crank to 180? because Hans prefers it like that (he anticipated problems with a solid-mounted 120? donk). The lube system was re-routed to incorporate the external spin-on filter. Belt drive consumed the most hours, 750 clutch used in order to gain a bit of space to fit a seperating cover behind it and to confine the oil pump. A bit of a step backwards is the ignition system, taken off the ex. cam, using, of all things, Ducati 450 points and advance/retard mechanism! The shortened alternator housing only covers the starter clutch, the actual alternator is located behind the starter and is belt-driven from the drive sprocket, at a stand still, electrics are total-loss. Carbs are RS36 Mikunis.
piet
hochkoenig
Senior member
- Location
- Salzburg-Austria
Hi,
looks like after a lot of work...
You may have closer Pics of Alternator Drive?
The Contact-Ign. destroys a little Power gainet from the other mods...
I would take care if the Front Wheel could touch the midle- downpipe during hard braking?
peter
looks like after a lot of work...
You may have closer Pics of Alternator Drive?
The Contact-Ign. destroys a little Power gainet from the other mods...
I would take care if the Front Wheel could touch the midle- downpipe during hard braking?
peter