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Forum: Dual Sport/Enduro Today, 04:48 PM
Replies: 19
Views: 164
Posted By Thumper
What terminal? :hmm: Are you suggesting load on...

What terminal? :hmm:
Are you suggesting load on the battery (voltage across the pos/neg)?

No lights, no power seems more like fuse or disconnected fitting than low battery charge.
Forum: Reviews Today, 02:25 PM
Replies: 35
Views: 11,087
Posted By Thumper
Wait a minute. I thought if it was on the...

Wait a minute. I thought if it was on the internet, it was true. And I thought a stuck valve prevented a 1cylinder engine from running. How does it cause a high idle :hmm:

Can you summarize the...
Forum: Dual Sport/Enduro Today, 02:20 PM
Replies: 19
Views: 164
Posted By Thumper
That does indeed like a critical ground line. If...

That does indeed like a critical ground line. If the battery is grounded to the engine and you can't find 12V from the black or red ignition switch input (I don't have a hawk, guessing on the color),...
Forum: Dual Sport/Enduro Today, 01:18 PM
Replies: 19
Views: 164
Posted By Thumper
Is the switch connected? May be loose. It is...

Is the switch connected? May be loose. It is probably a 4 wire connector. One should have 12V all the time. And check your grounds... At battery and engine ground.

If you have 12v going into the...
Forum: Dual Sport/Enduro Today, 11:07 AM
Replies: 47
Views: 823
Posted By Thumper
I thought it was over based on the bold text in...

I thought it was over based on the bold text in your post #43. But then you have yet another post doing exactly that in post #44. Talk about hard-headed! You can't even take your own advice.

I...
Forum: Pure Dirt Today, 06:07 AM
Replies: 2
Views: 36
Posted By Thumper
Sure looks like an older version of the OHC 167FM...

Sure looks like an older version of the OHC 167FM

Do you see a model number stamped on the left behind the gearshift?
Forum: Dual Sport/Enduro Yesterday, 10:05 PM
Replies: 47
Views: 823
Posted By Thumper
Hah! Funny! :lmao: Is this a race? No......

Hah! Funny! :lmao:

Is this a race? No... a descension into hilarity.

It really is simple. Engines have a peak hp recognizable on their power output curves. If you can run at rpm that...
Forum: Dual Sport/Enduro 06-19-2024, 11:44 PM
Replies: 47
Views: 823
Posted By Thumper
I hear what you are saying, and in another post...

I hear what you are saying, and in another post that we don't know that OP will get the revs up (keep using same gear, at higher rpm).

OK. The thing is, he will have lower gearing available for...
Forum: Dual Sport/Enduro 06-19-2024, 11:24 PM
Replies: 69
Views: 53,955
Posted By Thumper
I'm glad the 31mm socket works for you. My 32...

I'm glad the 31mm socket works for you. My 32 works, and I have a 1-1/4" backup that works too. It's just a couple of turns to loosen, tightens easy to, and I like using a breaker bar to make it...
Forum: Dual Sport/Enduro 06-19-2024, 11:18 PM
Replies: 17
Views: 326
Posted By Thumper
Prodigit is joking. The dark stuff on the threads...

Prodigit is joking. The dark stuff on the threads of the plug might be oil, but you read a plug at the electrode and porcelain insulator, NOT the threads. And that part of the plug looks pretty good....
Forum: Dual Sport/Enduro 06-19-2024, 06:25 PM
Replies: 17
Views: 326
Posted By Thumper
Great news. :tup: Now that you have a...

Great news. :tup:

Now that you have a working vehicle, you may find minor jetting issues that you can deal with confidently! Getting the basic mechanical stuff out of the way (valves!) puts you on...
Forum: Dual Sport/Enduro 06-19-2024, 02:09 PM
Replies: 9
Views: 208
Posted By Thumper
Lifan KPX is quiet, smooth and maybe 10-15 lbs...

Lifan KPX is quiet, smooth and maybe 10-15 lbs heavier than the Templar X. The muffler is massive. Not sure where the extra weight is, but that muffler is part of it! KPX is a comfortable ride, very...
Forum: Dual Sport/Enduro 06-19-2024, 12:40 PM
Replies: 17
Views: 326
Posted By Thumper
You can't be "running very rich" and ..."running...

You can't be "running very rich" and ..."running lean as well". That's just plain laughable dude :crazy:

There is just NO WAY that Temp M is running rich. Read the plug. White porcelain, clean...
Forum: Dual Sport/Enduro 06-19-2024, 11:27 AM
Replies: 17
Views: 326
Posted By Thumper
Too lean on the pilot could easily explain the...

Too lean on the pilot could easily explain the stalling, but I agree with J4fun that it could be a vapor lock/fuel supply thing. Not sure what I missed in the post. I did NOT try to find the history...
Forum: Dual Sport/Enduro 06-19-2024, 11:11 AM
Replies: 586
Views: 167,253
Posted By Thumper
Valve Adjustment comments

I just completed a valve adjustment checkup on an early edition of the KPX 250. A few comments:

First, it was easy to remove the front rack mounts and underlying bolts that hold the seat on...
Forum: Dual Sport/Enduro 06-19-2024, 10:53 AM
Replies: 9
Views: 208
Posted By Thumper
Based on your altitude, you may need to do...

Based on your altitude, you may need to do NOTHING with the carburetor on the Temp X. But other stuff is pretty well summarized in the Templar Resource Guide (Sticky in the Dual Sports section).
...
Forum: Pit/Pocket Bikes & Scooters 06-19-2024, 09:29 AM
Replies: 4
Views: 134
Posted By Thumper
Oh. I think I found it (a CV carb, vacuum...

Oh. I think I found it (a CV carb, vacuum operated, called PD24 CVK). I see, it does have an electric choke!

My guess is that it is normal for that carb to need a throttle twist to start.

If...
Forum: Dual Sport/Enduro 06-19-2024, 07:57 AM
Replies: 17
Views: 326
Posted By Thumper
That plug does not look sooty at all. Have you...

That plug does not look sooty at all. Have you rejet? What's your elevation. If it is original, bump 40 pilot jet to 42 and shim the needle. Air screw to about a turn and a half. This should be OK to...
Forum: Pit/Pocket Bikes & Scooters 06-19-2024, 07:13 AM
Replies: 4
Views: 134
Posted By Thumper
Does that gy6racing carb have the enrichment...

Does that gy6racing carb have the enrichment "choke" circuit? I see a black button to lift on a photo of the carb.

I would think using that choke would be the normal cold start method if you have...
Forum: Dual Sport/Enduro 06-18-2024, 10:23 PM
Replies: 69
Views: 53,955
Posted By Thumper
32mm works. A 1-1/4" socket will also work. I use...

32mm works. A 1-1/4" socket will also work. I use a breaker bar.
Forum: Dual Sport/Enduro 06-18-2024, 07:09 PM
Replies: 47
Views: 823
Posted By Thumper
Yes, having lower gearing on 2nd and 3rd will...

Yes, having lower gearing on 2nd and 3rd will give OP more choices with higher rpm at the same speed that he wants to go to power through the sand/gravel more easily. Hence the additional torque with...
Forum: Dual Sport/Enduro 06-18-2024, 04:11 PM
Replies: 47
Views: 823
Posted By Thumper
Here is the stepper motor without the planetary...

Here is the stepper motor without the planetary gear reducer.

https://www.youtube.com/watch?v=zjHQwHmvtIo

The gear reduction box increases the power output of the stepper motor. As Megadan...
Forum: Dual Sport/Enduro 06-18-2024, 04:06 PM
Replies: 47
Views: 823
Posted By Thumper
And as described in posts #6, #8, #13, and...

And as described in posts #6, #8, #13, and especially #15.
Torque. Gear reduction provides TORQUE. It effectively increases power output by reducing the rpm of the engine through gears.

This is...
Forum: Ride Reports 06-18-2024, 02:17 PM
Replies: 10
Views: 411
Posted By Thumper
Reviews of this KTM bike mention that it is...

Reviews of this KTM bike mention that it is closest to a "big" dirt bike of the adventure class. Real world appreciation for the low center of gravity and taught suspension that makes it possible to...
Forum: Dual Sport/Enduro 06-16-2024, 10:06 PM
Replies: 14
Views: 1,122
Posted By Thumper
No hybrids yet, whatever that is. :crazy: But...

No hybrids yet, whatever that is. :crazy:
But the 4V OHC engine is available in a 249cc ZS engine.

One of our forum members has put it into a bike (photos!)
Here is the engine. He bought it from...
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