{"id":6146,"date":"2025-09-28T19:11:56","date_gmt":"2025-09-28T10:11:56","guid":{"rendered":"https:\/\/www.decoboco.info\/en\/?p=6146"},"modified":"2026-09-24T13:46:35","modified_gmt":"2026-09-24T04:46:35","slug":"finally-season-2-riding-z1r-smoothly-story-2","status":"publish","type":"post","link":"https:\/\/www.decoboco.info\/en\/20250928\/everyday-events\/finally-season-2-riding-z1r-smoothly-story-2","title":{"rendered":"Finally Season 2. The Story of Wanting to Ride the Z1R Smoothly"},"content":{"rendered":"\n
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Today the exterior work is also off (*\u00b4\u03c9\uff40*)
Since there are no visitors, I’ll be adjusting the Z1R carburetor.

I assembled the Keyster fuel tuning kit with STD settings, but it’s running really lean.
I’m going back and forth swapping out the MJ and SJ ( \uff9f\u0414\uff9f)<\/p>\n\n\n\n

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Decoboco’s other BLOG.
“RURAL GARAGE<\/strong>“<\/span>

A hidden room for things other than motorcycles.
Convenient items for daily life, relocation, delicious food, life philosophy<\/strong>and more.<\/span>
\u2190click<\/span><\/strong><\/p>\n<\/div><\/div>\n\n\n\n

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\n\t\t\t\t\t\n\t\t\t\t\t\tHenly Begins Daytona Motorcycle Seat Bag 7\u201312L A4 Size with Easy Ring Belt DH-722 97241\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t
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PMC-made VM29 Carburetor “Easy Throttle Spring” is Absolutely Excellent<\/h2>\n\n\n\n
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It’s a pull spring, so we can’t measure the rate at our place.
At first glance, the wire diameter appears to be thinner. Top: Easy Throttle, Bottom: Original<\/p>\n\n\n\n

It became lighter than I expected (*\u00b4\u03c9\uff40*)I’m a bit surprised.
There’s a slight impression that the return is slower, but it’s not uncomfortable.
It rides very smoothly.

To really feel this“Easy Throttle Spring,”<\/strong>it’s important that the basic parts operate smoothly.
\u2460Check if the carburetor spring moves up and down smoothly when removed
\u2461Check if the throttle cable operates smoothly when removed from the carburetor
If these two points are already heavy, changing the spring won’t make a difference.
When everything moves smoothly, this low-rate spring becomes useful.


It becomes very easy to ride, so if you have a stock carburetor, give it a try.<\/p>\n\n\n\t\t

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\n\t\t\t\t\t\n\t\t\t\t\t\tPMC VM29 Carburetor Throttle Spring 72-291 JP Shop\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\n\t\t\t\t\t\t\t\t\t
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Since it has an air cleaner box, it takes a bit of time<\/h2>\n\n\n\n
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The Z1R has soft rubber on the air cleaner box side joint, so the carburetor is easy to remove and install.
There’s plenty of space, so the work went surprisingly smoothly.

That said, I removed it four times and took it for four test rides today, so I’m a bit tired.<\/p>\n\n\n\n

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