|
Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc. |
|
Thread Tools | Display Modes |
#1
|
||||
|
||||
Converting a 250 to a 300
Hi all for the winter I want to turn my 2002 250 sm into a 300 if possible,
can anyone tell me what I need ? A cylinder,cylinder head and piston is this it and is it just a straight swap or is there rod differences??Or do I need a 300 exhaust? At the moment I have the standard messico front pipe and silencer, also what should I do regards to jetting? At the moment I have a 178 main and 40 or 42 pilot where should I go from here? Is there any other mods or parts I would need? Ignitions different plug ect ? |
#2
|
||||
|
||||
Quote:
__________________
Fred Overstreet 2010 EC250 SixDays 2004 GasGas EC300 -Sold to a good home 2006 GasGas EC250-Sold to a good home 2006 GasGas TXT 280 Pro |
#3
|
|||
|
|||
Quote:
Piston and rings 300 cylinder and head Jet according, the 300's like to run leaner then the 250's. Prepare for more torque and more vibes. Pretty straight forward swap. Rod is the same. Some like the 2k3 ignition with the 300's. But it boils down to what you like. |
#4
|
|||
|
|||
Looking at buying an 03 ec 300.I want to swap it out to a 250.I'd have the 300 stuff you'd be looking for if it comes together.
|
#5
|
||||
|
||||
I'm just after abit more power, do u think I would notice much difference?i will get the head skimmed accordingly to raise compression and port and polish the cylinder and carb. Would this make a big difference ?
sweeper let know I wouldent need the piston as I will be putting a new one in,are you in the us or Europe mate ? |
#6
|
|||
|
|||
Oregon, U.S.A.
|
#7
|
||||
|
||||
Does anyone know if a 05 300 cylinder will fit onto a 02? Also will the 250 cylinder head fit onto the 300 barrel or not ?as the mount on the 300 has broke
|
#8
|
|||
|
|||
jetting in my 03 300 is
mj 178 pj 38 slide 6 needle n3eg clip 3 runs well but not done many miles with this set up can report back after Sunday on that. going head to head against my mates 250 I could not notice any real difference I also have a full fmf system and carbon reeds
__________________
03 ec300 honda cr500 94 |
#9
|
||||
|
||||
Cylinder heads are NOT interchangeable
__________________
Fred Overstreet 2010 EC250 SixDays 2004 GasGas EC300 -Sold to a good home 2006 GasGas EC250-Sold to a good home 2006 GasGas TXT 280 Pro |
#10
|
||||
|
||||
You need a new cylinder and a reed spacer
__________________
trevor |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Converting a EC200 to a EC300 | Ply318ci | Enduro Engine - 2 stroke | 19 | 12-12-2011 08:28 AM |
98 ec250 converting to WP forks / caliper ?? | 98ec250 | Enduro Chassis & Body | 2 | 11-18-2010 12:19 PM |
Converting a Sachs shock to fit a bladder? | Keg | Enduro Suspension | 12 | 06-22-2009 11:17 AM |
Converting 2009 EC300 to Motard | cheekeon | Enduro Chassis & Body | 0 | 04-12-2009 03:04 AM |