Search found 907 matches
- Fri Jan 22, 2016 9:04 pm
- Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
- Topic: lambretta 290 rotax
- Replies: 198
- Views: 149723
Re: lambretta 290 rotax
Ahh Steve, you are at it again :D Does this mean you will be wanting to book spray booth time again in the summer ? hi andy, i dont know if i dare ask you to do another, but if you insist :D i am going to require a little bit of aluminium welding to the engine case, and the head will need welding w...
- Fri Jan 22, 2016 8:58 pm
- Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
- Topic: lambretta 290 rotax
- Replies: 198
- Views: 149723
Re: lambretta 290 rotax
Where is the inlet port? i am going to do reed valve induction into the crankcase, i was hoping to use rb reeds as they are compact and easy to get spares for Like this? http://www.scooterotica.org/forum/viewtopic.php?f=7&t=32368&p=239478&hilit=avanti+case+reed#p239478[/quote yes simila...
- Fri Jan 22, 2016 7:24 pm
- Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
- Topic: lambretta 290 rotax
- Replies: 198
- Views: 149723
Re: lambretta 290 rotax
Where is the inlet port? the inlet on the rotax is a disc valve crankcase induction, i am going to do reed valve induction into the crankcase, i was hoping to use rb reeds as they are compact and easy to get spares for, i might want a scrap rb barrel to cut up to make the inlet, head has just arriv...
- Thu Jan 21, 2016 11:01 pm
- Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
- Topic: lambretta 290 rotax
- Replies: 198
- Views: 149723
Re: lambretta 290 rotax
first job is to make an exhuast stub, the water feed port under the exhaust port is going to be the water inlet from the water pump, i like the 4 studs to hold it on, its a big exhaust port, will weld a stub to the plate. https://farm5.staticflickr.com/4101/35578867701_f368cf0628_b.jpg IMG_1719_zpsu...
- Thu Jan 21, 2016 6:24 pm
- Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
- Topic: lambretta 290 rotax
- Replies: 198
- Views: 149723
lambretta 290 rotax
hi folks, i bought an engine casing from a well known auction site last year which had been converted to use a motorcycle style barrel which i was told was rotax. after much searching ive not been able to find the cylinder that fits. i suspect it was an old air cooled version, and i want liquid cool...
- Thu Jan 21, 2016 11:22 am
- Forum: Lambretta Tech
- Topic: battery
- Replies: 6
- Views: 2349
Re: battery
what type of bulbs are in your spotlamps, it may be possible to convert them to leds which will consume a lot less amps and will not drain the battery flat. they are used a lot on boats to save power, other option would be bigger battery, or two batteries, i fitted my battery in one of the oil bottl...
- Mon Jan 18, 2016 10:49 pm
- Forum: Lambretta Tech
- Topic: A quick RB question..................
- Replies: 20
- Views: 7723
Re: A quick RB question..................
i think that the rb kit is best suited to an expansion exhaust, a box type exhaust will not allow the kit to rev and produce the power it is designed for, i think it could also lead to overheating as the exhaust gases will struggle to escape, maybe a 48mm vw clubman exhaust might work, they are very...
- Sun Jan 17, 2016 10:45 pm
- Forum: Lambretta Tech
- Topic: exotic cylinder conversion mystery ?
- Replies: 47
- Views: 19376
Re: exotic cylinder conversion mystery ?
some more pics of my new cylinder
- Sat Jan 16, 2016 7:15 pm
- Forum: Lambretta Tech
- Topic: Transfer tuning on RT195
- Replies: 17
- Views: 7773
Re: Transfer tuning on RT195
if your thinking of using a gp200 gearbox, i would suggest paying just a bit more and buying af rayspeeds close ratio gearbox, 3rd and 4th gear are the same as gp 200 but the 1st gear is longer than a standard box,so second is a perfect ratio between 1 and 3 so you dont drop out of the powerband whe...
- Sat Jan 16, 2016 10:36 am
- Forum: Lambretta Tech
- Topic: exotic cylinder conversion mystery ?
- Replies: 47
- Views: 19376
Re: exotic cylinder conversion mystery ?
cylinder arrived yesterday, its nos rotax 580 as fitted to planes, snowmobiles ant jet skis, this cylinder is the jet ski version, it has an extra water feed next to the exhaust port, which i will use to feed the coolant from the water pump. http://i1168.photobucket.com/albums/r500/holty1966/rotax%2...