" my srx piston wash"

amatosrx

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Mar 21, 2006
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byron center mi
here is my center and pto piston wash what do you think i am for jetting to fat or lean.
 

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well thanks for input my jetting is 167,5 165 165. it sounds high but runs great. i now have power inc pipes and power inc silencer will have to check jetting. also run higer compression mountain perf head and nology hot wires and a little porting.
 
no the motor has been together for a few years. it doesnt foul plugs or run bad at all plugs look good. i alos have 50 pilots .
 
well good your on the right track then,looks good to me also,little rich but thats ok IMO. you got room for errors.
 
what circuit, pilot , needle , main, was the engine on last before removing heads ?

if i go do a wot pass , and ride home on the needle circuit ,remove my heads , is the assesement of the piston wash still accurate ?
 
harness racer said:
if i go do a wot pass , and ride home on the needle circuit ,remove my heads , is the assesement of the piston wash still accurate ?

No you should do a WOT chop and read it right away. Removed the shark plugs and read wash through the hole. I have a flexi led light that I can fit in throught the plug hole and iluminate the inside of the cylider. Only way to get a true read.
 
YamerDown said:
No you should do a WOT chop and read it right away. Removed the shark plugs and read wash through the hole. I have a flexi led light that I can fit in throught the plug hole and iluminate the inside of the cylider. Only way to get a true read.


my point exactly
 
Do you guys have any clue about how long distance I need to run til the piston wash is accurate on each circiut? If I go for maybe 1km on half throttle and read plugs/wash and then want to check WOT for an example.
And if I don´t have any problem with idle hang, do I still need to check that low circuit (pilot jets/fuel screws)?

And one more question, how long do I need to run/break in the engine before I get proper wash readings? (I have new pistons etc)
 


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