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Search: Posts Made By: Thumper
Forum: Dual Sport/Enduro Today, 10:49 AM
Replies: 22
Views: 844
Posted By Thumper
Lowering link- Standard lowering method

The TM38 has a link just like all of these bikes. Installing a link (or links) with an extra 3/4" to 1" length between the front/rear mounts will definitely lower the bike. The questions are 1) what...
Forum: Dual Sport/Enduro Today, 10:31 AM
Replies: 22
Views: 844
Posted By Thumper
Yes, dropping the clamp position in the forks can...

Yes, dropping the clamp position in the forks can also help. Two things limit the front fork height change by moving the forks up in the clamps. The obvious thing is the handlebars. Get handlebar...
Forum: Dual Sport/Enduro Today, 09:40 AM
Replies: 1,720
Views: 314,723
Posted By Thumper
In stock

The X is back in stock at PSM. Haven't checked the ebay or Amazon listings. My son just ordered one. We were going to get an M but not sure if/when they will be back in stock. Having the 6th gear is...
Forum: Video and Pics Today, 09:01 AM
Replies: 3
Views: 50
Posted By Thumper
I will try tonight. Yesterday was move out day...

I will try tonight. Yesterday was move out day for my son (college dorm), so I was tuckered by nightfall
Forum: Dual Sport/Enduro Yesterday, 10:15 PM
Replies: 22
Views: 844
Posted By Thumper
Lowering link, or possibly drill new lower rear...

Lowering link, or possibly drill new lower rear shock mounts.
Forum: Dual Sport/Enduro 05-08-2024, 06:33 PM
Replies: 32
Views: 2,356
Posted By Thumper
Sounds like classic lean mixture. Good luck. Some...

Sounds like classic lean mixture. Good luck. Some folks do OK with it, but others have excessive lean issues.

My "primitive" carbed bikes can't adjust automatically for elevation/temperature....
Forum: Dual Sport/Enduro 05-07-2024, 10:32 PM
Replies: 8
Views: 611
Posted By Thumper
If the bike sits at idle of under 1000 rpm it...

If the bike sits at idle of under 1000 rpm it probably has insufficient pressure for more than a minute. Exact number might be 1250 or higher. I don't mind a 1400rpm idle, but it is probably higher...
Forum: New Member Introductions 05-07-2024, 02:18 PM
Replies: 1
Views: 237
Posted By Thumper
Nice project for you and your son. Maybe we can...

Nice project for you and your son. Maybe we can help. Photos of the engine, maybe including one photo of the model number (behind the gear shift lever) would be useful. 163FML ?
Forum: Dual Sport/Enduro 05-07-2024, 09:30 AM
Replies: 1,720
Views: 314,723
Posted By Thumper
Have you adjusted the valves? That should be #1...

Have you adjusted the valves? That should be #1 on the list. And, there should be about one quart of 15W-40 engine oil in there (motorcycle engine oil, or Rotella T4). Other oils might work based on...
Forum: Dual Sport/Enduro 05-06-2024, 06:45 PM
Replies: 19
Views: 511
Posted By Thumper
;)

;)
Forum: Dual Sport/Enduro 05-06-2024, 04:02 PM
Replies: 19
Views: 511
Posted By Thumper
Cheap crate bike. It's great! But no dealership...

Cheap crate bike. It's great! But no dealership to set the bike up properly after it arrives or help you with any warranty.

OK, they "assembled it", but these motorcycles need constant attention....
Forum: Dual Sport/Enduro 05-06-2024, 03:19 PM
Replies: 8
Views: 611
Posted By Thumper
That 5 speed 4 valve engine looks GREAT. I wish I...

That 5 speed 4 valve engine looks GREAT. I wish I could justify ordering one to install in my Templar X. Awesome. The price is more than half of what I paid for my entire motorcycle!
Forum: Dual Sport/Enduro 05-05-2024, 10:08 PM
Replies: 4
Views: 240
Posted By Thumper
I assume you are talking about the stator cover...

I assume you are talking about the stator cover gasket on a 169FMM engine?
I think the OHC and pushrod versions use the same gasket, but not sure. What is the enigine model number (behind the...
Forum: Dual Sport/Enduro 05-05-2024, 08:51 PM
Replies: 28
Views: 518
Posted By Thumper
If it happens right away, yes. But if some vacuum...

If it happens right away, yes. But if some vacuum has to develop before it begins to faulter, then flow behind/to the bowl can be the culprit. Recovery after letting off the gas reinforces this...
Forum: Video and Pics 05-05-2024, 06:45 PM
Replies: 0
Views: 129
Posted By Thumper
old 2 stroke history

https://www.youtube.com/watch?v=j3_ukeMkVrc&t=19s
Forum: Dual Sport/Enduro 05-05-2024, 04:21 PM
Replies: 28
Views: 518
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 05-05-2024, 02:50 PM
Replies: 28
Views: 518
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 05-05-2024, 12:19 PM
Replies: 28
Views: 518
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 05-05-2024, 08:54 AM
Replies: 28
Views: 518
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 05-05-2024, 08:00 AM
Replies: 28
Views: 518
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 05-04-2024, 05:18 PM
Replies: 17
Views: 545
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 05-04-2024, 09:18 AM
Replies: 17
Views: 545
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: 10
Views: 411
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: 10
Views: 411
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: 10
Views: 411
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...
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