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🛵 enhance performance with trkimal's complete gy6 cylinder head rebuild kits: big bore upgrade and valves for 157qmj engines in chinese scooters and mopeds logo

🛵 Enhance Performance with Trkimal's Complete GY6 Cylinder Head Rebuild Kits: Big Bore Upgrade and Valves for 157QMJ Engines in Chinese Scooters and Mopeds Review

4

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Poor

Revainrating 3 out of 5  
Rating 
2.8
🛺 Motorcycle Parts, 🏍️ Motorcycle & Powersports

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Description of 🛵 Enhance Performance with Trkimal's Complete GY6 Cylinder Head Rebuild Kits: Big Bore Upgrade and Valves for 157QMJ Engines in Chinese Scooters and Mopeds

【Cylinder Bore】: 57.4mm / Non-EGR Cylinder body. 【Full sets of parts】: Complete parts is suitable for motorcycle maintenance shop, motorcycle parts supermarket and personal use with nice price. 【Apply to】: GY6 4 stroke 125cc/150cc engine for most of chinese scooter, atv and go karts. 【Parts included】:GY6 150cc Cylinder Head Comp, 57.4mm Bore Cylinder Block, Set of 57.4mm Piston Assy, Piston, Rings and Wrist Pin, Full Set of Engine Gasket, 6pins CDI, Ignition coil, DC regulator, relay, A7TC Spark Plug, Set of Intake Manifold and Muffler Bolts, and Exhaust locking ha, Set of 14 Gram roller , Rocker Arms, Valve Seals, Oil Pump Assy with Driving Gear, Camshaft, Camshaft chain 90, belt 835*18*30, Chain adjuster, Oil screen, spring, cover and oil seal, Starter clutch, intake mani.

Reviews

Global ratings 4
  • 5
    1
  • 4
    0
  • 3
    1
  • 2
    1
  • 1
    1

Type of review

Revainrating 5 out of 5

Big bang for the dollar.

The goods came quickly. All details fit perfectly. The engine started on the first try. Went better than new installed on SSR Rowdy 150 ZNEN.

Pros
  • engine
Cons
  • repair

Revainrating 3 out of 5

Proceed carefully

belt broke in 3 days. The rest of the kit might be good, but the strap sucks. So if you're buying a kit, order a PowerLink or something similar so you don't get stuck.

Pros
  • part
Cons
  • nothing here

Revainrating 2 out of 5

Part differences would be nice

Everything was great except the new head was about 3/4 inch shorter than the original. The new timing chain was also 2 links shorter than the original. If you are sending a shorter head than the original it would be nice if you could send shorter can and head bolts.

Pros
  • Cylinder Heads
Cons
  • Compatibility

Revainrating 1 out of 5

Not the best choice for parts

I have a small motor shop and bought one of these to rebuild a cart. Everything went smoothly but didn't even work for 2 hours. Compression was completely lost, so we did some digging and found that the exhaust valve head had snapped off and gone through the engine. We usually leave these items on the shelf because we see so much, but as I didn't install them straight away we can't guarantee or return them.

Pros
  • Automotive
Cons
  • Negative impression