NOTE: There is a DEBATE on my "Dead Cold Motor" for the valves. This is the best way from my experience to get a consistent result when you do your valves.
IF you feel you can not do this correctly and you are in Houston my brother and I can do this for you (for a fee) so please contact me if you want this done.
00:00 Introduction and what we are doing in this video
00:21 Disclaimer
00:33 Symptoms
01:18 GET Motor
01:46 BEGIN Adjustment section
01:51 TOOL / SUPPLIES you will need
04:48 Remove the Valve Cover
05:22 Set the motor to TDC
06:41 Valve lash specs for the Honda GET 49cc
07:43 INTAKE How to move and change the shim
09:07 Why the Magnet on a stick?
09:40 EXHAUST How to move and change the shim
10:28 Measure the GAP with shims - See description for more details
12:35 Rotate and test over and over again to ensure the correct lash
13:38 Warning to CDI users (Removal of rev limit)
14:44 Put the Valve cover back on
15:19 Final thoughts
16:01 BLOOPERS
COLD MOTOR before you start!
NOTE: There is a DEBATE on my "Dead Cold Motor" for the valves. This is the best way from my experience to get a consistent result when you do your valves but by all means, explain why you warm your motor in the comments.
GOAL: The goal of all of this is to have the valve last match the numbers below but change the shim to the correct size. When you measure if it's too tight try a thinner shim, if it's too loose try a wider shim. Use math if you need to.
Example: INTAKE measures .15 on the feeler gauge. Remove the shim and measure it with the caliper. Your caliper reads 1.50. Since it is too WIDE your shim should be .05 thinner. Open your shim kit and take out 1.45 and install it. Now your .10 feeler should be good (Barley dragging as you pass it in the gap).
Valve lash is to wide math:
Measured .15 - spec of .10 = .05 to WIDE
Shim is 1.50 - .05 = 1.45 (new shim size)
Valve last is too skinny math:
Measured .05 - spec of .10 = -.05 (If its negative its to skinny)
Shim is 1.50 - -.05 = 1.55 (remember minus a negative can be changed to plus a positive)
INTAKE VALVE LASH: .004 inches / .10 mm
EXHAUST VALVE LASH: .007 inches / .19 mm
Tools I used:
*Caliper
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*7.48 OD Shims
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*Feeler gauges
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*Magnet Stick
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NOTE: I am not an expert but more of an enthusiast who is trying to build experience. Please feel free to ask questions in the comments or resources like 49ccScoot forums on the internet (Great Place!)
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5 июл 2024
