Rieju & GasGas Legacy Riders Club Forum  

Go Back   Rieju & GasGas Legacy Riders Club Forum > GasGas Enduro Technical Forums > Enduro Engine - 2 stroke

Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc.


 
 
Thread Tools Display Modes
Prev Previous Post   Next Post Next
  #1  
Old 06-14-2020, 02:03 AM
gg3's Avatar
gg3 gg3 is offline
Silver Level Site Supporter
 
Join Date: Apr 2007
Location: BOP,New Zealand
Posts: 587
Default 2018 XC300 Head Squish

Hi All,
Just a report on some motor work.Have been watching the head mod threads & decided to jump in while putting in a new piston & rings.
2018 XC300 112Hrs.
Head squish 2.4mm.
Had 1mm taken off & a little dome volume remove to keep compression down.
Wossner Piston(9gm lighter than stock).
Polished exhaust ports & matched to exhaust spigot.
New power valve bearings & clean/polish.
Power Valve 2 turns out.
Prework jetting-175main,NEDW#2,40 pilot,A/S 2.5out
Post work jetting-175main,NEDW#3,40 pilot,A/S 2 out
Result Pros-Pulls a gear higher(ie. switchback uphill corners don't need to change down),runs clean & bright,more torque,exhaust doesn't lubricate the swingarm.
Well,not yet.Did repack it so will see after a few more hours.
Revs its tits off at top end.
Can loft the front in any gear at any throttle position. Friken scary at times but so much fun.
Much easier to jet,responds to small changes.
Head Mod cost NZD$95!!! That is a Quarter Pounder Meal is other countries.
Result Cons-Should have taken 1.2mm off the squish but was being conservative.
Throttle Control is VERY important now.
Reply With Quote
 




Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Head mod squish adjustment machining USA roverhybrids Enduro Engine - 2 stroke 3 01-11-2019 03:54 PM
2018 ec300 squish Cox76y Enduro Engine - 2 stroke 9 11-24-2018 05:32 AM
Head squish ? rocky2by Enduro Engine - 2 stroke 9 02-24-2014 11:39 PM
Head Mod (squish) Madhead Enduro Engine - 2 stroke 17 01-16-2012 09:25 AM
Head squish machining in Oz oldktmdude Australia & New Zealand 2 06-28-2010 10:21 PM




All times are GMT -5. The time now is 06:36 AM.


Powered by vBulletin® Version 3.8.6
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Copyright 2009 - GasGasRider.org