{"id":19572,"date":"2023-05-21T16:45:35","date_gmt":"2023-05-21T07:45:35","guid":{"rendered":"https:\/\/www.decoboco.info\/en\/?p=19572"},"modified":"2026-09-24T13:46:13","modified_gmt":"2026-09-24T04:46:13","slug":"zephyr-550-400-neo-classic-custom-build","status":"publish","type":"post","link":"https:\/\/www.decoboco.info\/en\/20230521\/decoboco-cars\/zephyr550zr550\/zephyr-550-400-neo-classic-custom-build","title":{"rendered":"\u2934\u3010Zephyr 550\/400\u3011ZEPHYR550\/400 ZR550 Building a sophisticated Zephyr."},"content":{"rendered":"
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I ended up impulse buyinga Zephyr 550<\/strong>
I think this is
a highly customizable bike
. . . .

This400 (Zephyr 400)<\/strong>was
released right when I was in high school


Even after all these years
for better or worse
it’s burned into my memory<\/strong>
as a bike.


“Air-cooled four-cylinders are becoming harder to find”<\/strong>
in today’s world.
With used bike purchases being
about finding

and modifying, adapting parts
I’d like to gradually make it more interesting.
<\/p>\n\n\n\n

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2023-12-27
Installing AP RACING CP2195 SUNSTAR Neo-Classic LVA201WR\/L on ZEPHYR550<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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2023-12-29
“ZEPHYR550” AP RACING CP2195 \/ Sunstar Neo-Classic Disc \/ Speed Shop Itou Caliper Support Installation<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n


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2023-12-24
“Zephyr + Zephyr 750” = Zephyr 550 (Modified) Yoshimura DUPLEX Drag Cyclone Complete<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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2023-12-25
“Period-style?” AP RACING CP2195 Center Hole Machining – Fluid Changes and Bleeding Made Easy.<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n
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2023-12-12
Huh? “Stand User?” Optimizing the Sidestand for Reduced Stress! Zephyr 550<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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2023-12-18
Zephyr 550 “Zephyr X Yoshimura Duplex Monaka” Installed (Temporary)<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n
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2023-12-10
Via Smartphone? “Air-Fuel Ratio!” PE Wideband O2 Controller Kit Perfect for Multiple Bikes! Zephyr 550<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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2023-12-11
Slightly “Quick Throttle” Response on Mid-Displacement Zephyr 550 Daytona FLAT Throttle Sleeve 29470<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n
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2023-12-04
A bit puzzling? Zephyr 550 <\/strong>
The “mysterious misfire” was<\/strong>
sidestand switch malfunction<\/strong><\/a><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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2023-12-05
“My First Bike ETC on the Highway”
Zephyr 550 Final and
I’m concerned about throttle opening<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n
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2023-11-27
“Enjoying Muffler Adaptation for One-of-a-Kind” Zephyr 550 with Zephyr X Plus Alpha \u266a<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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2023-11-28<\/strong>
Part 2 “Enjoying Muffler Adaptation for One-of-a-Kind” Zephyr 550 with Zephyr X Plus Alpha \u266a<\/strong><\/a><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n
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2023-11-14
\u2461 Is Muffler Adaptation Okay? Installing Yoshimura from Zephyr X on Zephyr 550 (400).<\/strong><\/a><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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2023-11-13
Is Muffler Adaptation Okay? Installing Yoshimura from Zephyr X on Zephyr 550 (400).<\/strong><\/a><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n


<\/p>\n\n\n\n

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Grip Replacement “Bumpy” Throttle is sluggish. ZEPHYR550 Daytona FLAT Throttle Sleeve is the best<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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Finally Found It! Preload Adjuster Compatible with Zephyr 400\/550 is HYPER PRO for W650 Series<\/a><\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n\n
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Changing the Look of Zephyr X OEM Seat Cover on Zephyr 550 (400)?<\/strong><\/a><\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n
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High-Speed Response (‘\u0414’)<\/a><\/strong>
Installing “DYNOJET ST-1”! Zephyr 550 ZEPHYR550<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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ZEPHYR400\/550 Zephyr 550\/400 Mitsuba Sankowa ETC D-UNIT (WR) Installation (Continued)<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n
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ZEPHYR400\/550 Zephyr 550\/400 Mitsuba Sankowa ETC D-UNIT (WR) Installation<\/a><\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n\n
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ZEPHYR400\/550 Zephyr 550\/400 Stem Bearing Replacement “Nimble” Handling (*\u00b4\u03c9\uff40*)<\/a><\/strong><\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n
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6\/19ZEPHYR400\/550 Zephyr 550\/400 Caliper Titanium Nipple “Rust-Free”<\/strong><\/a><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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Rare Zephyr 400\u03c7 Duplex Cyclone Monaka Damage Repair (Personal)<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n
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06-12ZEPHYR550\/400 Zephyr 550\/400
Caliper Overhaul. Aluminum Piston Conversion (Halfway)<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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ZEPHYR550\/400 Zephyr 550\/400
Caliper Overhaul.<\/a><\/strong>
It’s already over 20 years old. A used bike too scary to ride. . . . <\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n
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ZEPHYR550\/400 Zephyr 550\/400
If you can choose, tires should be “radial”.
Metzeler INTERACT Z8<\/strong><\/a><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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Nostalgic. .
I checked the DYNOJET website<\/a><\/strong>
and made an inquiry. ZEPHYR550\/400<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n
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ZEPHYR550\/400 Zephyr 550\/400
Was it uncool back then?
“Early Parent-Child Gauges” I want to install \u266a<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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“Part 2” ZEPHYR550\/400 Zephyr 550\/400 Crankcase “Forced Decompression” Secondary Air Pump Can Be Reused Great Effect! \u266a<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n
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ZEPHYR550\/400 Zephyr 550\/400
Crankcase “Forced Decompression”<\/a><\/strong>
Secondary Air Pump Reuse<\/a><\/strong>
High Performance!<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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“Part 1” ZEPHYR550\/400 Zephyr 550\/400 IPF Multi-Reflector Conversion “Oval Glass Lens” is lovely (\u00b4\u30fc\uff40)<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n
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\u2462Ignition Improvement <\/strong><\/a>
ZEPHYR400\/550 Zephyr 550\/400 “NGK Plug Cap \/ Silicon Plug Code Replacement Works Better Than Expected”<\/strong><\/a><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
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\u2461 Pilot Screw Dramatically Changes Zephyr 550 Starting Performance Pilot Screw Adjustment<\/a><\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n
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\u2460ZEPHYR550(ZR550) Zephyr 550 Used Bike Maintenance (Compression Pressure Spark Plug) Cold Compression, Spark Plug, Carburetor Synchronization<\/strong><\/a><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n
<\/div>\n","protected":false},"excerpt":{"rendered":"

I ended up impulse buyinga Zephyr 550I think this isa highly customizable bike. . . . This400 (Zephyr 400)wasreleased right when I was in high school Even after all these yearsfor better or worseit’s burned into my memoryas a bike. “Air-cooled four-cylinders are becoming harder to find”in today’s world.With used bike purchases beingabout finding and modifying, adapting partsI’d like to gradually make it more interesting.<\/p>\n","protected":false},"author":2,"featured_media":19546,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pochipp_cv_data":"","swell_btn_cv_data":"","footnotes":""},"categories":[41],"tags":[607,601,612,613],"class_list":["post-19572","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zephyr550zr550","tag-zephyr-400","tag-zephyr-550","tag-zephyr550","tag-zr550"],"_links":{"self":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/posts\/19572","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/comments?post=19572"}],"version-history":[{"count":0,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/posts\/19572\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/media\/19546"}],"wp:attachment":[{"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/media?parent=19572"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/categories?post=19572"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.decoboco.info\/en\/wp-json\/wp\/v2\/tags?post=19572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}