HeepH8erTy
08-14-2013, 07:47 AM
I've been getting bored with my 400ex and am thinking about some performance mods. Was wondering if anyone on here ever built one up and had any advice? My biggest worry with modding the motor is that its air cooled... I know a lot of people have over-heating issues when they start boring them out. I dont want to bore it out (not now anyways) or build a full on race bike or anything crazy. I mainly ride woods, fields, power and gas lines, etc. I dont ride any tracks or MX or do any races.
Here's my plan:
10.5-11:1 stock bore pistion
stage 2 hot cam
full exhaust (not sure what brand yet, kinda worried about noise)
450r carb (jetted correctly)
450r timing chain
Procom CDI box
clean up the ports in the head
back cut the valves a tiny bit
suspension-wise, I was thinking:
450r front shocks (sprung and valved)
stock rear shock (sprung and valved)
xc rear shock link
Anyone have any thoughts on this? Good? Bad? Could be better? Since I am a cheap little mofo, I do like the best bang for your buck. So if you got any cheaper/better ideas, let me know.
Here's my plan:
10.5-11:1 stock bore pistion
stage 2 hot cam
full exhaust (not sure what brand yet, kinda worried about noise)
450r carb (jetted correctly)
450r timing chain
Procom CDI box
clean up the ports in the head
back cut the valves a tiny bit
suspension-wise, I was thinking:
450r front shocks (sprung and valved)
stock rear shock (sprung and valved)
xc rear shock link
Anyone have any thoughts on this? Good? Bad? Could be better? Since I am a cheap little mofo, I do like the best bang for your buck. So if you got any cheaper/better ideas, let me know.