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DT250 Autolube tutorial

11 Jun 2019 13:11
pabdt
Sportsman
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DT250 Autolube tutorial #21

DEET wrote: The roller pin has nothing to do with the adjustment. It is installed in its proper location.

It provides a stop so the pulley can be forced down when the cable is pulled.


but doesn't the pin location over the boss basically give an initial alignment for minimum pump stroke length, provided the clearance is already there?

74 DT 125 #2
74 DT 125 #1 Sold 1977
74 DT 360
05 CRF 450R
18 R1
02 Z06 N/A 648RWHP

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11 Jun 2019 15:43
run103
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DT250 Autolube tutorial #22
This is for Deet In your treasure trove of enduro knowledge is there a place in a manual or your records that will tell you the free length of cable extending from the end of the oil pump throttle cable when the twist grip is in the home position. Im sure somewhere there is a set of measurements for this since we cannot get original cables anymore for all the different oil pump cable actuator positions. I need the 78 dt400 I am working on it now making my own cable inards. I remember these things now and what a dog they were to fix when you were out riding and you bent or broke anything to do with the throttle split cable system
Doug

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11 Jun 2019 15:59 11 Jun 2019 16:00 by RT325.
RT325
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DT250 Autolube tutorial #23
Might sound stupid--but--when i make cables i loosely solder the nipple on then fit cable then pull the outer to take up the clearance then measure the gap--with adjusters backed right off--& you know exactly how far to move the nipple along for final soldering & perfect inner length. My way anyway!!. Gotta remember that the cable sits down into the adjuster in your calculations too.

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11 Jun 2019 16:12
run103
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DT250 Autolube tutorial #24
RT Im just like you I make my own the same way I was just wondering if there is a old manual out there with the factory lenghts. I was a dealer at one time and I seem to remember somethig in the training manuals but cant track it down
THX Doug

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13 Jun 2019 11:55
run103
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DT250 Autolube tutorial #25
I actually just watched the video and I agree with it fully. Those pumps are indestructible and can take an amazing amount of abuse. No matter how corroded and rusted they look on the outside they still wok perfectly. I have taken 3 of them apart that looked real bad and the inside was in perfect shape I have done 21 bikes now and the autolube is working on all of them
Doug
The following user(s) Liked this Post Devin, pabdt

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14 Jul 2019 00:46
UncleTom
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DT250 Autolube tutorial #26
Great tutorial about the Autolube pump and its settings...BUT...not enough description/discussion about the cable adjustments, I think. Particular care must be taken to assure that cable "free play" (measured between the cable sheath and control or block that splits the throttle cable into 2...one to the carb. slide and two to the A.lube pump) is adjusted correctly. I start at the throttle end adjustment and work my way down to the carb....then over to the Alube pump. I make sure that the carb slide and the Alube pump both begin to move at exactly the same time when I crack the throttle open.Remember- cables WILL stretch over time, but the cable sheath will not. Get your cables adjusted properly before assuming the Alube pump is doing its job. Good Luck!

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