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Forum: Video and Pics Today, 06:45 PM
Replies: 0
Views: 6
Posted By Thumper
old 2 stroke history

https://www.youtube.com/watch?v=j3_ukeMkVrc&t=19s
Forum: Dual Sport/Enduro Today, 04:21 PM
Replies: 17
Views: 143
Posted By Thumper
Yes, Drill out that airscrew access block-off. ...

Yes, Drill out that airscrew access block-off.

It sounds like you've gotten into these stock carbs with EPA mandated access restriction :wtf:

Nibbi isn't better. In fact, they are essentially...
Forum: Dual Sport/Enduro Today, 02:50 PM
Replies: 17
Views: 143
Posted By Thumper
Yes, fuel flow. Could be a dirty, or misadjusted...

Yes, fuel flow. Could be a dirty, or misadjusted float bowl valve too.
Forum: Dual Sport/Enduro Today, 12:19 PM
Replies: 17
Views: 143
Posted By Thumper
Yes. I don't know if the M has the same twin...

Yes. I don't know if the M has the same twin input petcock, buy my left lobe feed was definitely kinked. I just shortened it, and that straightened out the kink, relieved the flow issue. It was...
Forum: Dual Sport/Enduro Today, 08:54 AM
Replies: 17
Views: 143
Posted By Thumper
My air screw was way off, and it caused issues up...

My air screw was way off, and it caused issues up in midrange cutting out. I never knew it could happen, but it did. Closing the airscrew fixed it!
Forum: Dual Sport/Enduro Today, 08:00 AM
Replies: 17
Views: 143
Posted By Thumper
Before changing jets, drill out the airscrew...

Before changing jets, drill out the airscrew access and try closing that screw by a half turn. See what that does. This will give you a clue as to which way to go.

These bikes ship too lean for...
Forum: Dual Sport/Enduro Yesterday, 05:18 PM
Replies: 12
Views: 259
Posted By Thumper
I don't know where you are finding any dual...

I don't know where you are finding any dual purpose motorcycles in the entire world under 200lbs with 6 speed transmission. :hmm:

I have a KTM 2-stroke that came with no battery, no lights, no...
Forum: Dual Sport/Enduro Yesterday, 09:18 AM
Replies: 12
Views: 259
Posted By Thumper
The CG clones (230cc) are more road-worthy. These...

The CG clones (230cc) are more road-worthy. These would include Hawk, Raven, Bashan Storm, Titan etc. These are all 5 speeds, the latter being more enduro shaped. But once you've gone over 250lbs,...
Forum: Dual Sport/Enduro 05-03-2024, 02:50 PM
Replies: 9
Views: 205
Posted By Thumper
Toro? Wow. It makes sense as an...

Toro? Wow. It makes sense as an explanation...Corporate ownership and profit targets that must meet investors expectations are driving quality down instead of up. Ironic. Briggs and Stratton...
Forum: Dual Sport/Enduro 05-03-2024, 01:05 PM
Replies: 9
Views: 205
Posted By Thumper
Side drains are not that bad if you can tilt the...

Side drains are not that bad if you can tilt the engine and it effectively drains completely. My logsplitter has a Briggs 5.5hp OHV engine that has TWO drain plugs with side drains, and TWO filler...
Forum: Dual Sport/Enduro 05-03-2024, 09:26 AM
Replies: 9
Views: 205
Posted By Thumper
I can think of two reasons why a drain plug on...

I can think of two reasons why a drain plug on the bottom of the engine is needed. 1) Complete and fast dump at the bottom, to drag out sediment, and 2) a magnetic drain plug is more effective on the...
Forum: Video and Pics 05-03-2024, 08:04 AM
Replies: 8
Views: 211
Posted By Thumper
Thumbs Up The KPX sounds nice! Smooth runner. :tup: ...

The KPX sounds nice! Smooth runner. :tup:

Aren't you glad it's not a 400+ lb bike!?

That would have been an "adventure", especially in that slippery stuff :ohno:
And the extra weight would...
Forum: Ride Reports 05-02-2024, 09:15 PM
Replies: 9
Views: 201
Posted By Thumper
By the way... that wouldn't happen to be poison...

By the way... that wouldn't happen to be poison ivy on the lower right part of the photo, would it!? Maybe not, but I am extra cautious about that stuff...

I've snagged poisong ivy in the Columbia...
Forum: Ride Reports 05-02-2024, 03:15 PM
Replies: 9
Views: 201
Posted By Thumper
Nice old trailer, complete with A/C unit. Wht do...

Nice old trailer, complete with A/C unit. Wht do you think, 500 sq ft ?

I am surprised that rusty old padlock is intact. I wouldn't want to break it, but I would love to see the inside layout,...
Forum: Dual Sport/Enduro 05-01-2024, 06:31 PM
Replies: 214
Views: 14,778
Posted By Thumper
Humbled again. :ohno: They sure look...

Humbled again. :ohno:

They sure look different than the lower USD fork tube guards.

I guess if you remove the OEM boots, or your dirt bike didn't come with them :hmm: I guess this would be...
Forum: Dual Sport/Enduro 05-01-2024, 04:51 PM
Replies: 214
Views: 14,778
Posted By Thumper
Fork guards for standard forks? No. They do not...

Fork guards for standard forks? No. They do not exist.
Forum: Dual Sport/Enduro 05-01-2024, 08:39 AM
Replies: 214
Views: 14,778
Posted By Thumper
True...Fork guards shield the exposed fork tubes...

True...Fork guards shield the exposed fork tubes from damage on USD forks. It's a quick way to know if a bike has USD forks
Forum: Dual Sport/Enduro 04-30-2024, 05:19 PM
Replies: 4
Views: 240
Posted By Thumper
It may be necessary to dump residual capacitance...

It may be necessary to dump residual capacitance in the system that stores the codes to get rid of them. This is often done with a reset button that grounds the circuit in a device, but... A simple...
Forum: Web Deals - NEW! 04-30-2024, 04:04 PM
Replies: 11
Views: 537
Posted By Thumper
"Tie Downs" for your lift

My lift has those two adjustable cradles to set under the frame. That makes it a little more stable but NOT completely stable.

But this gave me some ideas:

31372

This is just one approach,...
Forum: Dual Sport/Enduro 04-30-2024, 03:17 AM
Replies: 1
Views: 271
Posted By Thumper
It would be nice to know what the failure looks...

It would be nice to know what the failure looks like. Separation of sections of the tread sounds significant. People probably put this tire on some heavy adventure/tour bikes.
Forum: Dual Sport/Enduro 04-30-2024, 02:59 AM
Replies: 23
Views: 2,965
Posted By Thumper
Have you been able to check for flex on the...

Have you been able to check for flex on the steering head? Taking it all apart is lots of work. It would be good to verify if it is the problem before taking it all apart.

Get the bike on a lift...
Forum: Dual Sport/Enduro 04-29-2024, 11:32 PM
Replies: 1
Views: 158
Posted By Thumper
The starter should turn the engine faster than...

The starter should turn the engine faster than normal and constantly (no variation in speed) with spark plug removed.

Do you have a kick starter?
Forum: Dual Sport/Enduro 04-29-2024, 07:52 PM
Replies: 36
Views: 1,236
Posted By Thumper
Even with ultra light engineering (and including...

Even with ultra light engineering (and including beefy alloy construction/components), 225lbs is the dry weight of my liquid cooled KTM 250SX motocross bike with no fuel (no lights, no horn, no...
Forum: Dual Sport/Enduro 04-28-2024, 09:24 PM
Replies: 36
Views: 1,236
Posted By Thumper
There are some folks that like a low seat height,...

There are some folks that like a low seat height, simple operation, and always stick to city streets commuting or shopping. It is ergonomically comfortable, not built for high performance. Just get...
Forum: Dual Sport/Enduro 04-28-2024, 09:05 PM
Replies: 36
Views: 1,236
Posted By Thumper
The Cyclone YEMI looks like a nice runabout. It's...

The Cyclone YEMI looks like a nice runabout. It's all over social media and Youtube, but I can't find any vendors. Will this be another cratebike with low price plus shipping fee? That would mean...
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