CMS-Japanese Motorcycle Supply Parts

Vessel Impacta 980 JIS Screwdriver Reveiw


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Today we are reviewing one of the JIS screwdriver options - the Vessel Impacta 980 range (available on Amazon or on eBay: eBay US, eBay CA, eBay UK, eBay AU).



Here's a review of the Vessel JIS Impacta 980 range of screwdrivers, specially designed for removing stubborn JIS screws. These are different to Phillips, which may come as a surprise.

Why would you need a JIS driver? If you haven't seen it already check out our article on JIS screws and drivers here. In a nutshell the screws you find on your Japanese motorcycle are probably not Phillips as they appear - there is a separate JIS head on them that is easily damaged by a Phillips driver. The JIS screwdrivers, on the other hand, fit the JIS screws properly and make your life a lot easier when disassembling.

This particular unit has some very exciting-looking text on the front of the packaging, such that it is - I can't read Japanese so I don't know what most of it says:

Here's a review of the Vessel JIS Impacta 980 range of screwdrivers, specially designed for removing stubborn JIS screws. These are different to Phillips, which may come as a surprise.

The reverse of the packaging explains the cam mechanism's function:

Here's a review of the Vessel JIS Impacta 980 range of screwdrivers, specially designed for removing stubborn JIS screws. These are different to Phillips, which may come as a surprise.

The handle is nicely contoured and shows that this is P2 sized and 150mm long in the shaft:

Here's a review of the Vessel JIS Impacta 980 range of screwdrivers, specially designed for removing stubborn JIS screws. These are different to Phillips, which may come as a surprise.

The handle claims to be non-slip, which is definitely the case:

Here's a review of the Vessel JIS Impacta 980 range of screwdrivers, specially designed for removing stubborn JIS screws. These are different to Phillips, which may come as a surprise.

Just in case you forget which brand it is:

Here's a review of the Vessel JIS Impacta 980 range of screwdrivers, specially designed for removing stubborn JIS screws. These are different to Phillips, which may come as a surprise.

The base has a flat metal piece, designed to be hit with a hammer:

Here's a review of the Vessel JIS Impacta 980 range of screwdrivers, specially designed for removing stubborn JIS screws. These are different to Phillips, which may come as a surprise.

...and the business end - the JIS tip:

Here's a review of the Vessel JIS Impacta 980 range of screwdrivers, specially designed for removing stubborn JIS screws. These are different to Phillips, which may come as a surprise.

The Impacta is an impact driver with a cam mechanism inside the handle so that when struck the shaft rotates 12°. This has the effect of forcing the driver head down into the screw very firmly - through striking - and converting some of that force into rotating the driver, hopefully resulting in you breaking free the stuck screw. We will do a video of this in action as time permits but as it stands it works quite well - the JIS head does indeed properly fit the cross-point screws on the Keihin carb set we tested it on and the impact functionality works as expected.

If you're looking for a good solution for removing stuck screws on your carbs or other areas of your bike the Vessel Impacta 980 series is well worth a look. You can pick them up on Amazon or on eBay (eBay US, eBay CA, eBay UK, eBay AU).

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