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Forum: Dual Sport/Enduro Today, 01:06 PM
Replies: 7
Views: 48
Posted By Thumper
NYCdiesel- Next time, please resume the same...

NYCdiesel-
Next time, please resume the same thread (Templar M stuttering (https://www.chinariders.net/showthread.php?t=34190)) and post a continued thread, not a new one.

You cannot expect us...
Forum: Dual Sport/Enduro Today, 12:40 PM
Replies: 7
Views: 48
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 is running rich.

It takes some time to develop burnt lean...
Forum: Dual Sport/Enduro Today, 11:27 AM
Replies: 7
Views: 48
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 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 back on...
Forum: Dual Sport/Enduro Today, 11:11 AM
Replies: 586
Views: 165,859
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 Today, 10:53 AM
Replies: 4
Views: 29
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 Today, 09:29 AM
Replies: 3
Views: 48
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 Today, 07:57 AM
Replies: 7
Views: 48
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 Today, 07:13 AM
Replies: 3
Views: 48
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 Yesterday, 10:23 PM
Replies: 67
Views: 52,612
Posted By Thumper
32mm works nicely. A 1-1/4" socket will also...

32mm works nicely. A 1-1/4" socket will also work. I use a breaker bar.
Forum: Dual Sport/Enduro Yesterday, 07:09 PM
Replies: 29
Views: 443
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 Yesterday, 07:03 PM
Replies: 67
Views: 52,612
Posted By Thumper
32mm actually. It is the same size as Honda CRF...

32mm actually. It is the same size as Honda CRF 250/450R

Socket sets don't come with a 31mm socket. Metric wrench sets don't come with a 31mm wrench either. But a 6 point 32mm socket fits well....
Forum: Dual Sport/Enduro Yesterday, 04:11 PM
Replies: 29
Views: 443
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 Yesterday, 04:06 PM
Replies: 29
Views: 443
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 Yesterday, 02:17 PM
Replies: 10
Views: 339
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: 1,088
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...
Forum: Dual Sport/Enduro 06-16-2024, 05:21 PM
Replies: 29
Views: 443
Posted By Thumper
I guess OP will find out. He will have more...

I guess OP will find out. He will have more torque in the conditions he describes. I guess that is what he wants.
Forum: Dual Sport/Enduro 06-16-2024, 05:20 PM
Replies: 8
Views: 199
Posted By Thumper
I like the seat. Quite comfortable, and allows me...

I like the seat. Quite comfortable, and allows me to shift forward, or back as needed. But this is an enduro bike, prepared for trails. That is exactly how it was designed.

Buy a gold wing if...
Forum: Dual Sport/Enduro 06-16-2024, 03:00 PM
Replies: 14
Views: 1,088
Posted By Thumper
We don't see OHC 4 valve Chinese bikes yet in...

We don't see OHC 4 valve Chinese bikes yet in North American market. They are OHC, but 2 valve. The Templars and Lifan KPX are good examples.
Forum: Dual Sport/Enduro 06-16-2024, 01:35 PM
Replies: 29
Views: 443
Posted By Thumper
There are thousands of webpages on torque...

There are thousands of webpages on torque multiplication using gear reduction.
Here is one:
https://bauergmc.com/4-major-advantages-of-using-a-gear-reducer.html

OP will gain significant torque...
Forum: Dual Sport/Enduro 06-16-2024, 12:20 PM
Replies: 29
Views: 443
Posted By Thumper
OP can drop two teeth on the front sprocket for a...

OP can drop two teeth on the front sprocket for a 11% gearing change, and probably won't even need to remove a link. Adding two teeth on the rear would drop rpm 2/50 = about 4%. He probably won't...
Forum: Dual Sport/Enduro 06-16-2024, 09:15 AM
Replies: 29
Views: 443
Posted By Thumper
Not exactly what he is asking, and changing the...

Not exactly what he is asking, and changing the gearing WILL help him.

His 2nd and 3rd gears are too tall for his riding conditions. The engine isn't revving high enough to be in the more powerful...
Forum: Dual Sport/Enduro 06-16-2024, 03:16 AM
Replies: 29
Views: 443
Posted By Thumper
Yes! Dropping a couple of teeth on the front will...

Yes! Dropping a couple of teeth on the front will drop the ratio on every gear by about 11%


You will definitely notice 2nd and 3rd have a little more torque, and going 11% slower at a given...
Forum: Dual Sport/Enduro 06-15-2024, 07:13 AM
Replies: 9
Views: 377
Posted By Thumper
Templars are carbureted, NOT EFI. Check the...

Templars are carbureted, NOT EFI.
Check the jetting info in the Templar Resource guide.

EFI does have hands off advantage, but keep in mind that any problems with EFI are yours. No dealer...
Forum: New Member Introductions 06-14-2024, 10:13 PM
Replies: 2
Views: 124
Posted By Thumper
Hi Jakub. Poland has different bikes available to...

Hi Jakub. Poland has different bikes available to you. I think the Chinese dirt bike 450 four stroke and 2stroke models are.
Forum: Dual Sport/Enduro 06-14-2024, 02:35 PM
Replies: 1,772
Views: 334,508
Posted By Thumper
I recently completely rebuilt the wiring/cabling...

I recently completely rebuilt the wiring/cabling on my 5speed X. I had to take off the enrichment post on the carb, which started to stick while I was working on it. I sprayed it with silicon lube...
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