Search found 218 matches

by tavspeed
Wed Mar 02, 2016 7:23 pm
Forum: Lambretta Tech
Topic: suzuki 225 piston port timings
Replies: 9
Views: 1640

Re: suzuki 225 piston port timings

aahh,but i have a 110mm rod,which is 3mm longer than a standard 107mm rod,have been using eden's port timing calculator,the only measurement you can't put in is the deck height of the piston,had a search on the internet for another port timing calculator but couldn't find anything,
by tavspeed
Wed Mar 02, 2016 8:00 am
Forum: Lambretta Tech
Topic: suzuki 225 piston port timings
Replies: 9
Views: 1640

Re: suzuki 225 piston port timings

hi,yes piston is nicely flush with bottom of exhaust and transfer ports,and top of barrel ,it has a reed valve so inlet timing is 360 deg,the port timings are coming out very wild,i think the suzuki piston deck height is 36mm and a lambretta piston is 39mm,so not sure if this affects the readings,an...
by tavspeed
Tue Mar 01, 2016 8:11 pm
Forum: Lambretta Tech
Topic: suzuki 225 piston port timings
Replies: 9
Views: 1640

suzuki 225 piston port timings

hi chaps,on with a engine,its a suzuki ts250 piston ,monza barrel,with inlet modified for a atomic reed valve,60mm crank with a110mm rod,the ex port is 32mm from top of barrell,and transfers are 42.6mm,piston is as near as dam it flush,putting these figures in the lambretta port timing calculator ,i...
by tavspeed
Sun Oct 04, 2015 6:40 pm
Forum: Lambretta Tech
Topic: dellorto needle
Replies: 2
Views: 656

Re: dellorto needle

by tavspeed
Sun Sep 13, 2015 9:50 am
Forum: Carburettor Set-ups
Topic: Cast iron 225 factory tune 30phbh
Replies: 21
Views: 7163

Re: Cast iron 225 factory tune 30phbh

gave up with the phbh,went back to pwk ,with a 110 main,32 pilot,standard needle, top clip,runs nice and clean through all throttle positions,plug showing slightly rich,which i don't mind,going to go to a 15 tooth on the front from a 16,when i get chance,and should be sorted :lol:
by tavspeed
Mon Sep 07, 2015 7:25 pm
Forum: Lambretta Tech
Topic: Seize! Will I need to reline barrell?
Replies: 26
Views: 3316

Re: Seize! Will I need to reline barrell?

think the avanti mitaka piston is £75,and sometimes has them on offer at £50,
by tavspeed
Wed Sep 02, 2015 11:14 pm
Forum: Liquid Cooled, Motorcycle Engine & Automatics Section
Topic: peugeot v clic 50cc 4 stroke timing marks
Replies: 0
Views: 1121

peugeot v clic 50cc 4 stroke timing marks

hi chaps,being roped into fixing one of my sons mates peugeot v clic,exhaust valve has snapped,so he has got a new head off ebay,now there is a "T" marked on the camshaft sprocket,now do i set the piston at tdc,and the "T" mark level with the cylinder head cover gasket face,hope this makes sense,can...
by tavspeed
Sun Aug 02, 2015 1:24 pm
Forum: Lambretta Tech
Topic: BGM AFR Electronic Ignition
Replies: 12
Views: 2506

Re: BGM AFR Electronic Ignition

my lightened af flywheel has a spacer washer between the flywheel boss and the alloy body,which makes it further out,if that makes sense,i think the earlier flywheels don't have this washer,so you can have clearance issues with the bgm pickup.
by tavspeed
Tue Jul 14, 2015 7:05 pm
Forum: Lambretta Tech
Topic: it shouldnt work but it bloody flies!!!
Replies: 17
Views: 5405

Re: it shouldnt work but it bloody flies!!!

know where your coming from. cast 225 barrell and piston £20 from leeds parts fair,had to raise exhaust port 5.5mm to get it to run,think it might have been a lambro barrell,pwk carb bought 12 years ago to run on my 1st 175,sx200 gearing,might have to drop to 15 on the front,pulls lovely and is nice...
by tavspeed
Mon Jul 13, 2015 9:33 pm
Forum: Lambretta Tech
Topic: saigon scooter's taffy copy powerband
Replies: 4
Views: 1002

Re: saigon scooter's taffy copy powerband

dave411 wrote:Why not ask Ian at Taffspeed Racing?I am sure he will be only to pleased to help.
had a taffspeed mk4 on my rapido 250,which i sold with the engine,seeing as ian no longer has them made i bought this one, off the owner of this forum,what's the problem ?