Cheap Engines

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bob58o

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Here are some cheap seat cutters.
https://www.aliexpress.com/item/Mot...ml?spm=2114.10010108.1000023.2.11413d89PjeNCq
They might be garbage, as stated in the description. I might be ordering garbage.

This Kit Valve seat Reamer Quality is not better than others kit, if you do not mind, you can purchase order.
​If you want to order high quality valve cutter,please order via below link.


This kit including below :
Valve Reamer: 22×45° 24×45° 27×45° 31×45°
22×58° 24×58° 27×58° 31×58°
20×30° 23×30° 26×30° 30×30°
Grinding Stones: 21×45° 24×45° 26×45° 30×45°
Guide Pilot: Diameter 5mm, Diameter 5.5mm
Nut 1PC, Lever 1PC

This Kit Valve seat Reamer is suitable for 50cc-125cc Displacement Motorcycle Valve
 

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Denny

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Bob that is a knockoff version of a nu-way valve seat cutter. They remove a lot of material real fast be careful.

Denny
 

bob58o

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I didn't order them.
The Neway cutters I was looking at are

CU 112
0.975" 45*
22.5mm - 29mm

CU 111
1.000" 60*
22mm - 32.5mm

CU 123
0.975" 31*
22.5mm - 28mm

With the 5.52mm solid tapered pilot
100-5.52mm

CU103 is a dual sided 31* / 46*
31* 25mm - 30.5mm
46* 25mm - 32mm
(won't work on 24mm exhaust valves)

Close to $225 plus shipping for a quality set of cutters with the pilot and handle.
Expensive three angle valve job for a two valve engine.
Valve jobs cost about $50 or $60 if you have to pay shipping. Cant justify it yet.
 

Randy H

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Bob that is a knockoff version of a nu-way valve seat cutter. They remove a lot of material real fast be careful.

Denny

Interesting, I figured at that price they were at best HSS and wouldn't touch a hardened valve seat. I guess the seats in China engines aren't Stellite. Maybe this cheapo set would be useful?
 
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