A proper squish clearance can give your motor 10% more power. Most aftermarket cylinder kits are not made to this close tolerance of 0.6-0.8mm proper piston clearance. We check the squish band clearance and usually have to close the gap from .18 -.13mm down to .8mm gap for proper squish band function to work properly.
EXPANSION CHAMBER VISUALLY EXPLAINED
(EXACT English TRANSLATIONS have been uploaded to Closed Captions for
VIEWERS interested in accurate translation in THEIR LANGUAGE -thanks). I am
continually trying to get the perfect version of how an expansion chamber
piper works. I may make a few of these little videos until I get the right
one. This one looks rough and I may not keep it up on the youtube. I hate
to practice or prepare for a video too much, because it ruins the
spontaineity. I need to find just the right words to explain this expansion
DIO 54mm Piston Clearance TIPS
Small aluminum corners have been removed and piston has full un-opposed
travel throughout its 360 degree range. Cylinder deck height will me
measured and fitted next.
TWO-STROKE REED VALVE EXPLAINED
The reed valve is very important for a high perfomance DIO engine. It must
work correctly at idle and at 10,000 rpms. The valve material is of great
concern when building these engines.
ScooterNations - Fitting A 70cc Cylinder Kit/Big Bore Kit
scooternations.com is the fastest growing and the friendliest scooter forum
on the net, we welcome everyone.
Fitting A 70cc Cylinder Kit/Big Bore Kit
Also removing a 50cc kit, tips on the crank and torquing up also!
Easy to follow!
For more info!
Check out the forum!
Montaje de segmentos de pistón - Motor Service Group
Technical Podcasts - Comunicación de conocimientos por vídeo
- en nuestros podcasts de vídeo encontrará indicaciones prácticas para
el montaje y aclaraciones sistemáticas sobre nuestros productos
Durante el montaje de segmentos de pistón se pueden cometer muchos
errores. Le mostramos los puntos más importantes a tener en cuenta.
How to install pistonrings on a twostroke
Here I mount piston rings on a piston to a Speedfight 100cc and 50cc.
Surf to http://www.twostroke.se if you need new piston
Some hints, tricks and other things you should know at piston replacement:
Things to consider when installing an aftermarket Piston, is that you very
carefully to make sure it is identical with the piston as it is ordered in
the dimensions of the piston pin, both upwards and downwards, this so that
it can not turn the crank, push or hit the top when it rotates in the
Compare with your old piston before installation.
One must also carefully check every holes on the piston rings ports so that
they do not go over any channel in the cylinder, then the chances are that
the ruling in this case, sticking and breakage, leading to the cutting
cylinder. The arrow on the piston is at assembly towards the Exhaust port.
Choosing the piston:
B-piston recommend it for all used cylinders.
A piston for new cylinders or cylinders with new nicasil.
A B piston is slightly larger than an A piston in order to compensate for
wear. C piston is greater than B-piston etc..
Here you can see when I change the cylinder
How to change piston / top end rebuild 2002-2007 Honda Cr 250
Join the FREZ PRODUCTIONS Facebook site!
I`ve got many nice comments for making the "Honda Cr 125 piston / top end
rebuild" movie. In this movie, I show in good detail how to chance the
piston on your two stroke Honda Cr 125.
A similar movie for the Honda Cr250 would be nice, and that's what I have
Hope you like it!
The bike used in this movie is a 2007 Honda Cr250.
Always use the right manual for your bike! The 2002-2007 Honda Cr250 bikes
are very much alike but there are some changes. That's why the right manual
for your year is important.
motor bike 6 cylinders : incredible sound by Guy Coulon
invité par Guy Coulon dans son atelier de GP Tech 3.
Une rencontre inoubliable d'un ingénieur et d'un génie, d'une simplicité
Il nous a fait l'honneur de démarrer son chef d'oeuvre : un proto 6
cylindres de 300 cc, fait entièrement à la main. Magnifique ! avec un son
Europ'Touring BMW Motorrad
Maxxess Arras Accessoires motos et occasions
Evinrude 300XP -91
After a few hours in the workshop..
The expansion chambers are "home made" by hydroforming. The original Exhaust is milled away and the engine
block is filled whit plastic.
This engine will get electronic fuel injection and will not be used in a
Note: This is a sponsored video for Forge Apollo