Search found 840 matches

by holty
Sun Jun 02, 2019 9:01 am
Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
Topic: lambretta 290 rotax
Replies: 188
Views: 34347

Re: lambretta 290 rotax

RManson wrote:
Sat May 25, 2019 7:36 am
Nice results Holty! Glad to see you're still getting after it!
cheers ryan, its running very well, just getting more miles on it, hows yours going ?
by holty
Sat Jun 01, 2019 6:45 pm
Forum: Standard Scoots & Restorations
Topic: Show us your latest project on your scooter
Replies: 3
Views: 305

Re: Show us your latest project on your scooter

looks nice garry, they usually need a lot of work to get them to fit half decent.
by holty
Tue May 21, 2019 10:03 pm
Forum: Lambretta Tech
Topic: Lambretta crank induction with Malossi MHR 221
Replies: 27
Views: 1559

Re: Lambretta crank induction with Malossi MHR 221

a shorter rear shocker will give the head more space on the first frame you had it in, a center plug head would help too, offset cones might help as well, been through this with my rotax, my barrel is slightly leaning down to give more clearance and I trimmed the head, and a short spark plug, ways a...
by holty
Sun May 12, 2019 9:11 am
Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
Topic: lambretta 290 rotax
Replies: 188
Views: 34347

Re: lambretta 290 rotax

got my 38mm carb fitted and took my scooter to martin at chiselspeed to get it set up correctly, got it on the rolling road and it managed 40bhp very pleased, took it for a ride yesterday and it is awesome, the blue line is my trace from last year and the red one is the results on Friday https://liv...
by holty
Sun May 05, 2019 3:02 pm
Forum: Lambretta Tech
Topic: could this lambretta engine be as it left the factory ?
Replies: 3
Views: 445

Re: could this lambretta engine be as it left the factory ?

its all going back together as is, apart from new seals and bearings and a new clutch and top tensioner, a real pleasure to work on, everything is prestine and fits so well.
by holty
Sat May 04, 2019 9:39 pm
Forum: Lambretta Tech
Topic: could this lambretta engine be as it left the factory ?
Replies: 3
Views: 445

could this lambretta engine be as it left the factory ?

working on a series 2 that looks as though its never been apart before, don't think I have ever had my hands on one that's never been apart, even the top chain guide is unworn, could it be as it left the factory ? the locking tabs have never been touched. https://live.staticflickr.com/65535/46857896...
by holty
Sat Apr 27, 2019 1:31 pm
Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
Topic: water cooled twin
Replies: 197
Views: 48042

Re: water cooled twin

did a ride to scarborough at easter, scooter ran faultlessly
ImageUntitled by stephen holt, on Flickr
by holty
Thu Apr 25, 2019 9:44 pm
Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
Topic: lambretta 290 rotax
Replies: 188
Views: 34347

Re: lambretta 290 rotax

went to scarborough scooter rally, ran very well, ive done 500 miles now since rebuild, big carb going on next, then dyno time
ImageUntitled by stephen holt, on Flickr
by holty
Thu Apr 25, 2019 7:48 pm
Forum: Lambretta Tech
Topic: seeking recommendation on GT200 gearing
Replies: 10
Views: 777

Re: seeking recommendation on GT200 gearing

I think your pipe is the problem, pm is a revvy pipe but your final drive ratio is better for a pipe that makes more torque, tsr evo or a fresco comes to mind, choice of pipe and final drive ratio go hand in hand. only other option is to get a bigger crownwheel.
by holty
Wed Apr 24, 2019 9:53 am
Forum: Lambretta Tech
Topic: Exhaust change ..... jetting info
Replies: 1
Views: 274

Re: Exhaust change ..... jetting info

you will not know for sure until it is on the dyno, as im sure you already know the exhaust has an effect on fuel mixture, so if you change to another type of exhaust the fuel mixture can be altered, ive known a few people that have holed a piston after a pipe change, I would just ride it steady unt...