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iwallace
11-20-2005, 05:39 PM
how would i do a compression test on my tri z.

how many times should i kick her over to get an accurate reading??

and if it does read low , how much oil should i put in the pot to do a second test?.
she starts fine when warm/hot..just a pain to start when cold..

ive only had her for a week or so , but i must of put 25 hours use on her already,
and how often should i change the rings .

thanks for info ..ian
slothminx
11-20-2005, 05:47 PM
You have a compression tester yes?, well you do it with wide open throttle and kick until the needle in the tester stop rising, just a little oil, about 5 drops of oil should do it, then the same again. You will also need to do a hot reading aswell.

will
iwallace
11-20-2005, 05:58 PM
cheers will........should it read the same ......hot and cold test
slothminx
11-20-2005, 06:01 PM
It will be higher when the engines hot, although in this weather it might not get hot :eek: .
iwallace
11-20-2005, 06:02 PM
cheers mate
Kintore
11-20-2005, 06:20 PM
Not to make you sound like a idiot here but have you tried using the choke?
iwallace
11-20-2005, 06:37 PM
yep i do use the chike ...but didnt know it had 3 settings ...........will look and see ..thanks
twgranger
11-20-2005, 07:05 PM
Is the pilot jet good and clean.
iwallace
11-21-2005, 01:35 PM
stripped the carb down...and it was pretty clean........
slothminx
11-21-2005, 02:06 PM
Got a spark on mine, kicked it over started 2nd kick in -3 centigrade! i would look elsewhere from compression, i think mines on its original 20 year old bore too:naughty:

is your choke nob going up 3 notches? or only 2
iwallace
11-21-2005, 02:28 PM
will ...thats what the guy said when i brought my tri .........its on the same bore .......BUT i just throught he didnt know what he was on about ??could be wrong ??
slothminx
11-21-2005, 02:32 PM
will ...thats what the guy said when i brought my tri .........its on the same bore .......BUT i just throught he didnt know what he was on about ??could be wrong ??

Well, have you done a compression test yet? that will tell you if you need to look at the top end. Thhe choke nob on mine is missing and makes it hard to pull up. The only reason i knew it had 3 positions is because it says on my airbox cover
iwallace
11-21-2005, 02:42 PM
no aint done the compression test yet.........but did just check the choke ......

DEFINATELY ONLY GOT 2 POSITIONS ................ON AND OFF
slothminx
11-21-2005, 02:45 PM
Hmmm same as mine then, i can only feel on and off too? do you have the sticker on your airbox cover? if not ill get a pic of mine to show you


Will
iwallace
11-21-2005, 02:48 PM
no sticker mate??
slothminx
11-21-2005, 03:02 PM
Damaged but here it is. Might be an 85 but not 86 sticker???
http://www.supload.com/thumbs/default/Choke picture.JPG (http://www.supload.com/free/Choke picture.JPG/view/)
iwallace
11-21-2005, 03:20 PM
my one is just 1 smooth action all the way up ?
slothminx
11-21-2005, 03:23 PM
you can see if its working by pulling it full up and starting her, waiting a while till its warmed up a little. Should be revving quite high on the fast idle and smoking a fair bit, push it down and see if the revs drop and the smoke goes away. if it does your choke circuit is working. there is a definate click to the top and bottom of my choke you can feel it. maybe somethings not right in the choke
iwallace
11-21-2005, 03:27 PM
choke works fine ..revs higher when on and so on .........but it hasnt got 3 positions.......only on and off