Part 2: How to set-up a Dellorto PHBH carburettor on almost every Lambretta & Vespa scooter!
Strap yourselves in, part 2 covers the following topics...
00:00 Intro
03:10 Booby Lady
03:45 Fuel Taps
04:50 Baseline settings to work from
05:50 Float Valve choice
06:45 Ign timing (Adv/Ret boxes)
09:50 Air Filters
12:15 Piston Port vs Reed-Valve jetting
13:55 Carb choices and mismatches
18:25 Overview
Here is part 1: • How to set-up a Dellor...
Here is part 3: • Part 3: How to set-up ...
The PHBH is possibly the most underrated carb for Lambretta & Vespa scooters, repeatedly overlooked in favour of more ‘exotic’ setups. Yet the PHBH is affordable, available, easy to set up, and has a great balance of cost vs performance vs fuel economy. It’s the CBR600 of carburetors... a brilliant all-rounder! Plus, for the vast majority of scooter owners, there are some very repeatable ‘base settings’ which you can use, for around 90% of all scooters, in order to get your ballpark starting point to work from and go on to perform plug chops with. There are also some crucial mistakes you must not make, as these can kill an engine very quickly if not followed.
Amazon links to further resources…
Suggested reading:
The Complete Spanner's Manual: Lambretta Scooters: amzn.to/3qX3R1v
Haynes VESPA Service & Repair Manual: amzn.to/3rNR2aY
Haynes Vespa Scooters 1959 - 1978: amzn.to/3rPov4M
Two-stroke Performance Tuning: amzn.to/3eG8quk
Motorcycle Tuning: Two-Stroke: amzn.to/3qSUpMd
Oil:
Castrol A747 Racing Oil: amzn.to/38GfUda
Castrol ‘Power 1’ Two-stroke oil: amzn.to/3eJe3Ie
Parts:
Supergrip Lambretta 5 Plate Clutch Kit & Springs: amzn.to/3bLeK1Y
Lambretta Adjustable Rear Shock Absorber: amzn.to/3qHYOli
Lambretta Viton Engine Oil Seal Kit: amzn.to/3rKWlrw
Vespa PX/PE/T5 Viton Oil Seal Kit: amzn.to/3cA6VuX
Security:
Oxford OF802 Monster Chain & Lock 1.5m: amzn.to/3vo3Ab3
Oxford OF178 GP Chain Lock: amzn.to/3eHleAS
Oxford Products OF34 Disc Lock: amzn.to/3bLiX5M
Cleaning:
Muc-Off Clean, Protect & Lube Kit: amzn.to/2Q85n3Z
Muc-Off Cleaner, 1 Litre: amzn.to/38CX7z9
WD-40 Degreaser 500ml: amzn.to/2OS6u7o
WD-40 OIL 450ml: amzn.to/2OwV2OB
T-Cut: amzn.to/3cBKnKi
Autosol: amzn.to/3cBKnKi
Tools:
Syphon pump kit: amzn.to/3eH5TQv
5l Fuel Can: amzn.to/2Q6EjSL
Flexible funnel: amzn.to/3vq72Su
Home hobby compressor: amzn.to/3bOU756
Sealey 14 Drawer Topchest and Rollcab Combo with 239 Pcs Tool Kit: amzn.to/3rQxsuH
Gunson timing light: amzn.to/3eFd0cl
Vlog equipment:
Dragon Touch 4K Action Camera: amzn.to/3rSjhoG
GoPro HERO8 Black Bundle: amzn.to/30JVxHJ
For more info: www.scooterfactory.co.uk
#scooter #scooterist #scootering #scooterfactory #lambrettaengine #vespaengine #Vespa #Lambretta #dellorto #phbh #holedpiston #lambrettascooter #vespascooter
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