# TBParts - 20mm Carb Main Jet Kit and Stock KLX110, TRX90 carbs

> This is a plain-text (markdown) copy of a page on tboltusa.com, made for AI assistants. People see the same page at the HTML link below.

- **Breadcrumbs:** [Home](https://tboltusa.com/store/index.md) > [Honda Vintage Mini Bike Parts](https://tboltusa.com/store/honda-vintage-mini-bike-parts-c-101.md) > [XR75](https://tboltusa.com/store/honda-vintage-mini-bike-parts-xr75-c-101_963.md) > TBParts - 20mm Carb Main Jet Kit and Stock KLX110, TRX90 carbs
- **Web page:** [this page on tboltusa.com](https://tboltusa.com/store/tbparts-20mm-carb-main-jet-kit-and-stock-klx110-trx90-carbs-p-300.html)
- **Markdown:** [this page as markdown](https://tboltusa.com/store/tbparts-20mm-carb-main-jet-kit-and-stock-klx110-trx90-carbs-p-300.md)
- **Generated:** 2026-10-31 20:39 EDT
- **Site guide for AI assistants:** [llms.txt](https://tboltusa.com/llms.txt)
- **Your list:** To list everything you have looked at in one page, with current prices and stock, add ids to this address (comma separated, up to 20 of each): `https://tboltusa.com/store/seen.md?p=300`

All prices are in US dollars (USD). Shipping and any tax are worked out at checkout.

## Summary

- **Part number:** TBW0294
- **Price:** $11.99 USD
- **Stock:** 5 left.
- **Reviews:** [1 reviews, average 5 of 5](https://tboltusa.com/store/reviews/tbparts-20mm-carb-main-jet-kit-and-stock-klx110-trx90-carbs-pr-300.html)
- **Product id:** 300
- **Product last changed:** 2026-10-29

## What it fits

The store lists a part under each bike or engine model it is meant for (the categories below) and may name models in the description. Do not assume it fits a bike or engine that is not named here; ask the store first.

- [Honda Vintage Mini Bike Parts > XR75](https://tboltusa.com/store/honda-vintage-mini-bike-parts-xr75-c-101_963.md)
- [Japanese Mini Bike Parts > KLX 110 & DRZ 110 > Carb kits](https://tboltusa.com/store/klx-110-drz-110-carb-kits-c-100_123_127.md)
- [Pit Bike Engine Parts > Carbs and Jets](https://tboltusa.com/store/pit-bike-engine-parts-carbs-and-jets-c-51_528.md)
- [TB Parts > CRF50 XR50 Z50 88-Up > CRF50 XR50 Carb Kits and parts](https://tboltusa.com/store/crf50-xr50-z50-88-up-crf50-xr50-carb-kits-and-parts-c-68_73_1046.md)
- [TB Parts > CRF70 XR70](https://tboltusa.com/store/tb-parts-crf70-xr70-c-68_77.md)
- [TB Parts > CT70 > CT70 Carb Kits and parts](https://tboltusa.com/store/ct70-ct70-carb-kits-and-parts-c-68_75_1040.md)
- [TB Parts > Chinese Engines](https://tboltusa.com/store/tb-parts-chinese-engines-c-68_70.md)
- [TB Parts > SL70 XL70](https://tboltusa.com/store/tb-parts-sl70-xl70-c-68_76.md)
- [TB Parts > TRX90](https://tboltusa.com/store/tb-parts-trx90-c-68_808.md)
- [TB Parts > XR100 CRF100](https://tboltusa.com/store/tb-parts-xr100-crf100-c-68_80.md)
- [TB Parts > XR75](https://tboltusa.com/store/tb-parts-xr75-c-68_78.md)
- [TB Parts > XR80 CRF80](https://tboltusa.com/store/tb-parts-xr80-crf80-c-68_79.md)
- [TB Parts > Z50 79-87 > Z50 79-87 Carb kits and Parts](https://tboltusa.com/store/z50-79-87-z50-79-87-carb-kits-and-parts-c-68_1064_1067.md)
- [TB Parts > Z50 K0-78 > Z50 K0-78 Carb Kits and parts](https://tboltusa.com/store/z50-k0-78-z50-k0-78-carb-kits-and-parts-c-68_1063_1072.md)

Where a fitment line says "All", it means all years of the model named on that line, not all bikes.

## Description (the store's own text)

TB carburetor jet kit for TB 20mm Carb. This jet kit is for our 20mm Carb (and 20mm Keihin's). Stock main for the 20mm TB carburetor is an 89.

**Kit Includes:**

- 82, 85, 87, 90, 92, & 95 main jets

**Application:**

- TB 20mm carb - TBW0125
- KLX110 stock carb - 15003-1694
- TRX90 stock carb

## Shipping and returns

- Flat rate shipping is $8 for parts orders under $75 and free for most parts orders over $75, within the continental 48 states. Heavy items (engines, complete bikes, suspension) are excluded.
- Full shipping policy: [Shipping policies](https://tboltusa.com/store/shipping-policies-i-6.md)
- Returns: the store's own policy page says how returns, exchanges and cancellations work. Please read it before buying: [Returns, Exchanges and Cancellations](https://tboltusa.com/store/returns-exchanges-and-cancellations-i-11.md) The page begins: "All products returned to T Bolt USA must be reviewed and approved."

## How to buy

For a person: open [TBParts - 20mm Carb Main Jet Kit and Stock KLX110, TRX90 carbs](https://tboltusa.com/store/tbparts-20mm-carb-main-jet-kit-and-stock-klx110-trx90-carbs-p-300.html), choose any options, press "Add to Cart", then check out from the cart. Payment is only ever entered by the person, on tboltusa.com's own checkout pages.

For an AI assistant building a cart: `https://tboltusa.com/cart/new/item/300/qty/1` starts one with this product (the first value of every option, qty 1), `https://tboltusa.com/cart/<cart_code>/add/item/300/qty/1` adds it to a cart you already started, and `https://tboltusa.com/cart/<cart_code>/zip/<ZIP>` gives the shipping options to a US ZIP code. They answer JSON: give your customer the newest `cart_link`, a public cart link, safe to share.

Or give the person one link that fills their own cart when they open it (a public cart link, safe to share; the first value of every option, qty 1): [Put TBParts - 20mm Carb Main Jet Kit and Stock KLX110, TRX90 carbs in my cart](https://tboltusa.com/cart/open/item/300/qty/1)

Payment: all major credit cards, PayPal, Apple Pay and Google Pay. Money orders by arrangement.

Cart: [Shopping cart](https://tboltusa.com/store/shopping_cart.php)

## Photos

- [Photo 1](https://tboltusa.com/store/img/p/300/tbparts-20mm-carb-main-jet-kit-and-stock-klx110-trx90-carbs-1.f6e04317.jpg)
- [Photo 2](https://tboltusa.com/store/img/p/300/tbparts-20mm-carb-main-jet-kit-and-stock-klx110-trx90-carbs-2.618d90ec.jpg)
- [Photo 3](https://tboltusa.com/store/img/p/300/tbparts-20mm-carb-main-jet-kit-and-stock-klx110-trx90-carbs-3.3de79d80.jpg)

## Support

Since 2004, every purchase from TBolt USA includes access to technical support from our staff of experts and our online [Pit Bike Technical Info Database](https://tboltusa.com/store/tbolt-usa-pit-bike-minimoto-technical-info-database-tech-15.md)!

We have all necessary support parts on hand.

*Most* orders ship same, or next business day, unless otherwise noted above.