② Oil-Cooled GSX-R1100K/L 89-90 “Secret Parts List?” Not Yet! A Comprehensive Guide to Aftermarket and OEM Parts Available Now

This is also a personal memo for myself.
Feel free to reference it (*´ω`*)

Discontinued throttle cables should be “stocked early while available”

GSX-R1100K&L throttle cables are OEM discontinued, so stock them in advance if you plan to replace them.
GSX-R1100K&L M-TECH Throttle Cable Part Number MTSR-583-17C

株式会社ヒロチー商事 楽天市場店
¥5,720 (2026/09/22 19:35時点 | 楽天市場調べ)

Speed cables are available in OEM! There’s also an M-TECH reproduction option

Due to Suzuki OEM part number consolidation34910-19C02only
Consolidation means the cable length is now the same. Originally it was “model-specific for K and L variants”…
The merit of OEM is2600 yen—such reasonable pricing!
“There may be compatibility issues with length”so please be careful.

GSX-R1100K MTSR-349-17C
GSX-R1100L MTSR-349-40C

M-TECH speed cables come in “dedicated length for secure installation and beautiful wire routing
For the GSX-R1100 series“the upper cowl stay and speed wire are close”so you’ll want to be careful.

Compared to OEM, it’s a bit more budget-wisebut “if you want certainty”it’s the way to go.

ウェビック 楽天市場店
¥5,280 (2026/09/22 12:35時点 | 楽天市場調べ)


ウェビック 楽天市場店
¥5,280 (2026/09/20 20:34時点 | 楽天市場調べ)

“If you’ve decided to keep riding it,” keeping the main harness is essential

“If you think you’ll keep riding it, you should definitely KEEPthe main harness.
With solid electrical systems, you can greatly reduce your worries.

バイク用品はとやグループ2号店
¥52,180 (2026/04/03 13:33時点 | 楽天市場調べ)


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