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Old 07-03-2013, 12:09 PM   #6211
Clem Kevin
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Joined: Aug 2007
Location: San Clemente, CA
Oddometer: 835
I NEVER need to use the decomp lever or idle adjustment to start my XR. Gordon's Mod's with 155/58 jetting.
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Old 07-03-2013, 12:12 PM   #6212
Sniper X
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Location: Central New Mexico, 7420ft above sea level
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I get on mine, turn on the gas, bring it to tdc and slightly past, then kick hard and is usually fires up first kick. If it doesn't then full choke and it fires right up.
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Old 07-03-2013, 12:52 PM   #6213
Clem Kevin
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Quote:
Originally Posted by Sniper X View Post
I get on mine, turn on the gas, bring it to tdc and slightly past, then kick hard and is usually fires up first kick. If it doesn't then full choke and it fires right up.
Exactly.
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Old 07-03-2013, 12:55 PM   #6214
Sniper X
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Location: Central New Mexico, 7420ft above sea level
Oddometer: 33,290
Motor mods on mine, snorkel removed, 96 open end cap, and a step leaner from stock on the pilot and main. I live at 7600ft.
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Old 07-03-2013, 01:00 PM   #6215
RRP13
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Location: Southern Illinois
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3 kicks with decomp lever in, then full choke, no throttle.

Starts on 2-3 kicks, every time.
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Old 07-03-2013, 01:51 PM   #6216
tuscan
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Joined: Mar 2010
Location: Hong Kong, but NZ is home
Oddometer: 42
Hard Starting XR400

Hi

I must have read a hundred posts about hard starting XR's - here's my 2c....

I have two XR 400's and one starts first kick every time and the other didn't. After much messing around with no success, a mechanic friend suggested I look at the clearance between the flywheel and the timing sender inside the LH engine case. His theory was that the gap has to be correct in order for a pulse to be generated correctly.

To cut a long story short, I adjusted the gap by lightly bending the mount for the sender so that it was closer to the flywheel and hey presto it now starts as well as my other XR 400.

He did advise what the gap measurement should be...but I've forgotten.......! If anyone is interested I can find out.

Measuring the gap involved putting some BluTak on the flywheel, reinstalling the LH engine case, rotating the crank a little so that the BluTak was "skimmed" through the gap, removing the cover again and measuring the residual thickness of BluTak left on the flywheel - fiddly to say the least....

I've not seen this cure mentioned anywhere before, but an earlier post had a guy who replaced his stator and suddenly the bike started easily ..... maybe this can be attributed to him accidentally improving the gap between the flywheel and sender....

For anyone who is at their wits end (as i was) with a hard starting XR - I would recommend checking this.

Now I have 2 dream machines.- oh yeah

My 2c worth...

Cheers
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Old 07-03-2013, 02:11 PM   #6217
Ed@Ford
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Location: Dearborn MI
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Quote:
Originally Posted by tuscan View Post
Hi

I must have read a hundred posts about hard starting XR's - here's my 2c....

I have two XR 400's and one starts first kick every time and the other didn't. After much messing around with no success, a mechanic friend suggested I look at the clearance between the flywheel and the timing sender inside the LH engine case. His theory was that the gap has to be correct in order for a pulse to be generated correctly.

To cut a long story short, I adjusted the gap by lightly bending the mount for the sender so that it was closer to the flywheel and hey presto it now starts as well as my other XR 400.

He did advise what the gap measurement should be...but I've forgotten.......! If anyone is interested I can find out.

Measuring the gap involved putting some BluTak on the flywheel, reinstalling the LH engine case, rotating the crank a little so that the BluTak was "skimmed" through the gap, removing the cover again and measuring the residual thickness of BluTak left on the flywheel - fiddly to say the least....

I've not seen this cure mentioned anywhere before, but an earlier post had a guy who replaced his stator and suddenly the bike started easily ..... maybe this can be attributed to him accidentally improving the gap between the flywheel and sender....

For anyone who is at their wits end (as i was) with a hard starting XR - I would recommend checking this.

Now I have 2 dream machines.- oh yeah

My 2c worth...

Cheers
Can anyone confirm this? I own a poor starter that has had "all the tricks" and still starts poorly
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Old 07-03-2013, 02:16 PM   #6218
Sniper X
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Location: Central New Mexico, 7420ft above sea level
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Quote:
Originally Posted by Ed@Ford View Post
Can anyone confirm this? I own a poor starter that has had "all the tricks" and still starts poorly
All I can do is add that many who have a porr starting XXXR4 and install a new stator from RS that comes with a new pulser they magically have an easy starting XR4. I think it might be the stock pulsers are a tad hit and miss and a new one always makes them start easier.
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Old 07-03-2013, 02:25 PM   #6219
Ed@Ford
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Quote:
Originally Posted by Sniper X View Post
All I can do is add that many who have a porr starting XXXR4 and install a new stator from RS that comes with a new pulser they magically have an easy starting XR4. I think it might be the stock pulsers are a tad hit and miss and a new one always makes them start easier.
RS = Ricky Stator?
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Old 07-03-2013, 02:42 PM   #6220
Stretch67
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Location: My Mad Scientist Laboratory
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Quote:
Originally Posted by AndyCap View Post
Not inherently hard to start? Based on the amount of foreplay you just described, I would have to guess your woman is very lucky.

I just want to turn on my fuel, and kick start my bike. I am not big on going through some OCD like routine everytime I want to have fun.
I wrote the analytical version of it for the benefit of those here who may be going about it incorrectly. I know my bike, and can go through the cold-start routine without even thinking about it.
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Old 07-03-2013, 02:51 PM   #6221
Stretch67
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Quote:
Originally Posted by Michaeb View Post
Thanks for the link - which of these filters are you using?
This 'un heah, the 5/16 line size with the stainless screen filter.

http://www.jetsrus.com/individual_parts/009_212_su.html

I have it plumbed with their transparent fuel line so I can see fuel flowing (or not) into the empty carb.
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Old 07-03-2013, 03:21 PM   #6222
Sniper X
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Location: Central New Mexico, 7420ft above sea level
Oddometer: 33,290
Quote:
Originally Posted by Ed@Ford View Post
RS = Ricky Stator?
yep, comes with a new pulser on it. it is a 200w stator, with the new pulser and $150.00
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Old 07-04-2013, 03:18 AM   #6223
Michaeb
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Thumb

Quote:
Originally Posted by Stretch67 View Post
This 'un heah, the 5/16 line size with the stainless screen filter.

http://www.jetsrus.com/individual_parts/009_212_su.html

I have it plumbed with their transparent fuel line so I can see fuel flowing (or not) into the empty carb.
Cheers.
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Old 07-04-2013, 08:18 AM   #6224
MartiniUp
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Joined: Jul 2010
Location: TX
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Quote:
Originally Posted by KilLeR Kawasaki View Post
I have read on this forum that if you install the sprocket, chain, and case saver at the same time- in the same move, it will work.

Sent from my Nexus 4 using Tapatalk 2
This. No alterations needed. I am on my fourth XR4 and I use a 16 for 93.764% of my D/S rides. Stock chain and no problems ever. Stock carbs on all also, never a problem with correct jetting. I remove the decomp lever at purchase to free up the bars, never needed.
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Old 07-04-2013, 11:48 AM   #6225
JimmieA
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Joined: Sep 2005
Location: Eastern Canada
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Quote:
Originally Posted by Ed@Ford View Post
Can anyone confirm this? I own a poor starter that has had "all the tricks" and still starts poorly
I want to commend the origional poster of the pulse generator being weak and a new stator solving the issue. This is exactly my story. Now my XR400 starts great and I just installed a new 200 watt stator.
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