Jump to content

Is my bike 2-stroke or 4-stroke and what does it mean?


Late Starter
This post is 4685 days old and we'd rather you create a new post instead of adding to this one. You can't reply in this post.

Recommended Posts

Hi all, without wanting to sound like a total idiot I'm wondering if my bike is 2-stroke or 4-stroke? I have a 1997 SR 125.

What are the main differences between 2 and 4, and is there something you must do differently for each? I could just head off to google I guess but then why join a forum if I'm not going to ask you guys for help. I have no mechanical background whatsoever so be gentle please! :blink:

Link to comment
Share on other sites

Do you want an ad-free experience? Join today and help support the Yamaha Owners Club.

Your bike is a 4 stroke and works like this.....

http://auto.howstuffworks.com/engine1.htm

A two stroke works like this......

http://science.howstuffworks.com/transport/engines-equipment/two-stroke2.htm

I could spend hours decribing how they both work and the differences of each, but these sites do it so much quicker.

As yours is a four stroke, keep the oil level in the engine cranckcases topped up and put petrol in the tank and you'll be fine. If it was a 2 stroke, you'd have to mix oil with the fuel (some bikes have seperate tanks for oil and petrol and mix them automatically, some you have to add oil to the petrol tank yourself) but don't concern yourself with it, as 2 stroke engines are pretty much obsolete nowdays (still plenty of smokers about though so a working knowledge of them will always be handy).

Link to comment
Share on other sites

Fantastic! Thank you so much, I couldn't have asked for a better explanation than the links you have provided. I have just read to page 3 on the 4 stroke engine but will pick up where I left off when the kids are asleep and I am able to concentrate on what I'm reading! The moving diagrams make it much simpler for a non-mechanically minded person such as myself to understand! I have added the links to my bookmarks.

Many thanks! :D

Link to comment
Share on other sites

oh you done it now,:angry: watcha mean obsolete , there's thousands of us with two strokes,

long live the two stroke. feck grean piece.

Link to comment
Share on other sites

Around 40 years ago, the two-stroke engine came into its heyday. The engines were cheap to manufacture, and produced exceptional performance in comparison to four-strokes of equivalent capacity.

Yamaha, Suzuki and Kawasaki sold thousands of two-strokes based around their racing machines and many of the biggest names in motorcycle sport got their start in the 250 production racing class.

However as far as I'm aware, Aprilla's 2004 model RS250 was the last production 2 stoke available to buy and ride on the road.

The last 250 two-stroke manufacturer of road bikes in Japan was Suzuki and Aprilia had used the Suzuki v-twin 250 two-stroke motor for the RS250, but with Suzuki ceasing production Aprilia no longer had a supply of motors and the 2004 model was their last production run - the very last example of a breed of motorcycle which will hold a special place in the heart of motorcycle enthusiasts forever.

As I said, there are still plenty of 'smokers' about, but try buying a new one.

Link to comment
Share on other sites

husaberg-enduro-1.jpgbttn_ClickToEnlarge.gifarrowleft_disabled.png

  • husaberg-enduro-1.jpg
  • husaberg-enduro-2.jpg
  • husaberg-enduro-3.jpg
  • husaberg-enduro-4.jpg
  • husaberg-enduro-5.jpg

arrowright.png<a href="http://adserver.adtech.de/adlink|3.0|311.0|2287103|0|170|ADTECH;loc=300" target="_blank"><img src="http://adserver.adtech.de/adserv|3.0|311.0|2287103|0|170|ADTECH;loc=300;" border="0"></a>

New TE 125 two-stroke spearheads Husaberg's all-enduro 2012 range

By Guy Procter -

New bikes

01 June 2011 17:21

Husabeg in the form of the two-stroke TE 125. The £5745 bike shares top-drawer components with its bigger brothers including Brembo brakes, closed cartridge forks, fully adjustable PDS shock and machined triple-clamps. Husaberg boasts the bike's handling will be unbeatable in its class.

All 2012 Husabergs also get primped for practicality and appeal,

Link to comment
Share on other sites

i should imagine these babies will be seriously restricted to meet with immision rules and reg's.

ie none tweakable full tamperproof pile of cack. but hey thats just speculaition.

Link to comment
Share on other sites

  • Who's Online (See full list)

    • There are no registered users currently online
  • Recently Browsing

    • No registered users viewing this page.
×
×
  • Create New...