Honda 143cc Big Bore Kit - Piston/Barrel Install
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- Опубликовано: 18 окт 2024
- PART 1: • Thai Drag Bike Update!...
PART 2: • Under the plastic | Ho...
PART 3: • Honda 125cc Engine Rem...
PART 4: • Honda 125cc Engine Dis...
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Lighting that book on fire was a good time haha
I've work with this 125 engine for couple of years before, i guarantee, the first one to fail is the cam chain tensioner assembly, it fail regularly, even it's stock
I've done dozens of bikes, same problem (wave 125/110, same tensioner style)
So be careful when upgraded the camshaft and harder springs (raised rpm limit also), mine was exploded 2 times, luckily, nothing hurts
I modify it to manual, so far so good, you can watch in my channel
Or try buy from thailand/malaysia, the aftermaket one has different materials, more durable, but i think the tensioner will give up first 🤷🏻
My NBC110 blew up thanks to this issue.
Is it possible to get a better quality/more durable cam chain tensioner assembly?
@@TheGreatOldOak my better guess is to keep the oil level enough, because they are hydraulic lifters
But to really bulletproof, need to modify
I’m glad Kass got to experience Francis
Made my day haha
2:10 Jaysus, that can of cleaner is definitely at least $6 and you're using it like a garden hose. I'm triggered.
Cheaper than a rogue fragment causing a rebuild!
Hello, what are the exact specifications of the cam shaft?
Hello, I can't be sure. It came in a kit from Hispeed Thailand. They have lots of parts on their website.
Hi there may I ask what head and cylinder kit you used?
Hispeed brand - made in Thailand.
what else to be changed when putting in big bore kit?
Up to you really. I did big bore kit, new head, new oil pump, new cam, new clutch etc.
Stock injector and TB?
This video details the kit: ruclips.net/video/8xeaQ7S5Djk/видео.html
Why go to all that effort and expense for a lousy 18cc more?? Whattya get, ONE more hp?
Doubled HP almost. Did it because I wanted too and it was good fun.
@@SmallBikeStuff Thats a good reason. But how did 18cc double the power?
@@JeffKopis only just saw this now. Basically thanks to the huge amount of flow provided thanks to the head. The big bore kit on its own won’t have done a huge amount - probably just increased acceleration slightly. But having much larger valves in the head with a high lift cam allows the whole package to breathe well and more flow is more power. The stock injector was using about 20% of its capacity and with the current tune it’s increased to around 95%.