 |
|
|
|
|
|
|
|
|
|
NeKeleC
4fiddy Racer
Joined: 15 Feb 2010
Posts: 227
Location: Gold Coast
|
 Posted: Tue Sep 21, 2010 1:19 pm Post subject: cylinder head space on ltr450 |
  |
|
hey everyone i am chasing some rather technical info, i am wondering if anyone knows the gap between tip of a fully inserted spark plug and the top of a standard piston (at top dead center) on an 09 ltr450? that is the clearance between the two in a running engine.
thanks in advance
Neil
p.s i know it's only in mm's
_________________
The main thing is to have fun I just think second place is no fun
Me - 09 Quadracer 450R No 339
Mrs -09 Quadracer 450R No K77 |
|
| |
|
|
|
|
|
|
|
|
Sponsor
|
|
|
|
|
|
|
|
|
HaggLE
Roostin Away
Joined: 16 Mar 2009
Posts: 511
Location: Newcastle
|
| Posted: Fri Sep 24, 2010 5:47 pm Post subject: |
|
|
| What are you doing with this information? |
|
| |
|
|
|
|
|
|
|
|
NeKeleC
4fiddy Racer
Joined: 15 Feb 2010
Posts: 227
Location: Gold Coast
|
| Posted: Fri Sep 24, 2010 6:43 pm Post subject: |
|
|
i am looking at putting a different spark plug in that has i greater protrusion into the cylinder space than a standard one (2 to 3mm)
_________________
The main thing is to have fun I just think second place is no fun
Me - 09 Quadracer 450R No 339
Mrs -09 Quadracer 450R No K77 |
|
| |
|
|
|
|
|
|
|
|
dangerman4
Roostin Away
Joined: 31 Mar 2007
Posts: 854
Location: Morphett Vale
|
| Posted: Sat Sep 25, 2010 9:59 am Post subject: |
|
|
screw the new plug in all the way by hand.
then back it out 3 turns, and turn it over. pull the plug and check for damage.
if fine repeat process with 2 turns etc etc.
or put it at TDC and measure the distance from the seat of the plug to the piston. then compare to the new plug.
Why do you want a longer plug?
increase compression? if so dont bother. |
|
| |
|
|
|
|
|
|
|
|
NeKeleC
4fiddy Racer
Joined: 15 Feb 2010
Posts: 227
Location: Gold Coast
|
| Posted: Sat Sep 25, 2010 12:49 pm Post subject: |
|
|
have just finished installing new plug into bike i measured the distance with a special ruler (steel rod) and there is about 5mm clearance past end of original plug.
And no i am not putting a longer plug in to increase compression i am putting a better plug in to give it more bang.
Better plug firing at a higher voltage, increase fuel and air input and you get better bang.
_________________
The main thing is to have fun I just think second place is no fun
Me - 09 Quadracer 450R No 339
Mrs -09 Quadracer 450R No K77 |
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
