- #MT1261A SNAP ON TIMING LIGHT HOW TO#
- #MT1261A SNAP ON TIMING LIGHT MANUALS#
- #MT1261A SNAP ON TIMING LIGHT MANUAL#
- #MT1261A SNAP ON TIMING LIGHT FULL#
You need the tach to check your max advance RPM and your idle RPM. You have a tach on the dash, no? It works.
#MT1261A SNAP ON TIMING LIGHT MANUAL#
Don't need anything else-including a manual for it. I've been using a Sunpro/actron CP7504 forever. Rather than dicking with it, ditch it on craigslist (like everybody else) and just get an ordinary, good, timing light.
All the computerized stuff gets you nothing but a more difficult tool to use and one with a lot more things to go wrong.
I avoid their stuff for a number of reasons-only buy it when I have to.Īside from a possible stiffy from having something labeled "snap-on" (but they didn't make it), i would say the thing is a bad idea. They lack some things when it comes to a being a good company to buy from. Snap on isn't providing a manual for download. The replacement part for what looked like the more likely problem point (the leads) is $155.
#MT1261A SNAP ON TIMING LIGHT MANUALS#
a whole lot of people looking for manuals and a number of people having problems. Figure since the S marks 6 degrees prior to TDC (or after, I forget) then maybe the advance on the light needs to be set there? Does this sound right? Can this type of timing light be used on an airhead?Ĭlick to expand.I looked around a bit for manuals for that. If I change the advance the S moves up and down. Problem is, without really knowing how this particular timing light works, I am not sure if the readings I get are good or even interpretable. If I set advance to 6, the S lines up in the center of the hole and at ~3000 RPM the Z lines up in the center of the hole. With the light set at 0 advance, the timing marks are unreadable. I have a snap-on computerized timing light (MT 1261A) with tach/advance functions (I don't have the timing light manual, so I basically have no idea what I'm doing - I can at least get it hooked up and the light comes on).Īt idle (~1050 RPM) the light reads about 2100 RPM (twice what it should be). Right now, I am checking the dynamic timing. I am taking care of a few maintenance items as I gradually get familiar with the machine. Lock the dizzy down and set the idle RPM back where you want it.Hi, I recently picked up a 1989 R100GS. You use ZERO because your light is flashing 11 BTDC. Rotate the dizzy until the engine's ZERO marker lines up with the pointer. Press the FLASH button and the light/strobe should start. Using our example above, you would press INC until "11" is displayed. Switch to advance mode and use the DEC or INC buttons to change the time at which the light flashes. In tach mode bring the RPM up to 1000 using the idle speed adjustment screw. Let's say you want to SET the timing to 11 BTDC at 1000 RPM.
#MT1261A SNAP ON TIMING LIGHT HOW TO#
What you do need to know is how to use the feature. you don't have to know the factory specs for your engine. To use the advance feature he mentioned above. To elaborate on the above, the black clip goes to an earth point, the red clip goes to +12V (the battery terminal on the starter solenoid is such a point) and the inductive pickup clamps onto the plug wire for cylinder #1.
#MT1261A SNAP ON TIMING LIGHT FULL#
Use the same thing to check full advance. When you use the light set properly it will read zero degrees at the set rpm IF the timing is correct. Then switch to tach and adjust it to the correct number. Now use the Tach/Adv button to select degrees.
and that full advance should be something like 30 degrees at 1500 rpms. They will tell you that base timing should be something like 4 degrees at 500 rpm. To use the advance feature you need the specs for the engine.
Now it will display the rpms of the engine and can be used as a standard timing light. It should come up and ask you to select number of cylinders. Hook up the battery leads, Clip the pickup on cylinder number one. Flash - On/Off for the strobe Dec - Decrease the setting Inc - Increases the setting Basic use. Stole this from another site (where someone asked for a manual for the same model timing light), maybe it'll help you: Reset button - resets the light to zero Tach/Adv - Toggles between the tach setting and the advance settings. This is the best I could come up with after Googling for a while: Quoting from that site.
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