Trail & family

Stock-size parts in stock at MotoSport

Yamaha TT-R230 2027

Trail & family, 223cc 4T, US version

Partly verified

From the owner’s manual: engine oil capacity 1.00 L (1.06 US qt), p. 9-1; front tire 80/100-21 51R, 80/100-21 51M, p. 9-1; rear tire 100/100-18 59R, 100/100-18 59M, p. 9-2. Checked 16 Oct 2026.

Model year on file: 2027 only. Other years are added as their manuals are read.

No CPSC recall found for the 2027 Yamaha TT-R230, checked 2026-10-15. Recalls

Wheels and tires

2 of 4 filled

Front rim
Not yet verified
Rear rim
Not yet verified
Front tire
80/100-21 51R, 80/100-21 51M
Verified, read off the manual page: Manual p. 9-1 · checked 2026-10-11 source [1]
Rear tire
100/100-18 59R, 100/100-18 59M
Verified, read off the manual page: Manual p. 9-2 · checked 2026-10-11 source [1]

Suspension

3 of 7 filled

Fork
Telescopic fork
Verified, read off the manual page: Manual p. 9-2 · checked 2026-10-11 source [1]
Fork travel
9.4-in (≈ 239 mm, converted by MotoXSports)
Research level: Spec sheet (research) · converted from 9.4-in · checked 2026-10-11 source [2]
Shock travel
8.7-in (≈ 221 mm, converted by MotoXSports)
Research level: Spec sheet (research) · converted from 8.7-in · checked 2026-10-11 source [2]
Stock fork spring rate
Not yet verified
Stock shock spring rate
Not yet verified
Static sag, bike only
Not yet verified
Race sag, rider on
Not yet verified

Fluids and capacities

4 of 4 filled

Engine oil spec
SAE 10W-40; API service SG type or higher, JASO standard MA
Verified, read off the manual page: Manual p. 9-1 · checked 2026-10-11 source [1]
Engine oil capacity (oil change)
1.00 L (1.06 US qt)
Verified, read off the manual page: Manual p. 9-1 · checked 2026-10-11 source [1]
Engine oil capacity, with filter change
1.10 L (1.16 US qt)
Verified, read off the manual page: Manual p. 7-7 · checked 2026-10-16 source [1]
Fuel capacity
8.0 L (2.1 US gal)
Verified, read off the manual page: Manual p. 9-1 · checked 2026-10-11 source [1]

Service specs

3 of 5 filled

Fork oil
Not yet verified
Brake fluid
DOT 4
Verified, read off the manual page: Manual p. 7-21 · checked 2026-10-16 source [1]
Fuel octane
Octane number (RON): 90
Verified, read off the manual page: Manual p. 9-1 · checked 2026-10-16 source [1]
Idle speed
1400–1600 r/min
Verified, read off the manual page: Manual p. 7-14 · checked 2026-10-16 source [1]
Valve clearance
Not yet verified

Maintenance

3 of 3 filled

Tire pressure (off-road)
100 kPa (1.00 kgf/cm², 15 psi) front and rear
Verified, read off the manual page: Manual p. 7-15 · checked 2026-10-11 source [1]
Chain slack
45.0–60.0 mm (1.77–2.36 in)
Verified, read off the manual page: Manual p. 7-22 · checked 2026-10-11 source [1]
Spark plug and gap
Niterra do Brasil Ltda./DR8EA
Verified, read off the manual page: Manual p. 7-6 · checked 2026-10-11 source [1]

Dimensions

3 of 3 filled

Seat height
870 mm (34.3 in)
Verified, read off the manual page: Manual p. 9-1 · checked 2026-10-11 source [1]
Wheelbase
1385 mm (54.5 in)
Verified, read off the manual page: Manual p. 9-1 · checked 2026-10-11 source [1]
Weight (curb weight)
114 kg (251 lb)
Verified, read off the manual page: Manual p. 9-1 · checked 2026-10-11 source [1]

Gearing

0 of 5 filled

Stock front sprocket, stock rear sprocket, chain pitch, stock chain links, stock final drive ratio
Not yet verified
Solid marks are owner's-manual pages; hollow marks are manufacturer web or spec-sheet figures still waiting on a manual page. Last reviewed 2026-10-16. Rows marked not yet verified are blank on purpose.

Buying parts

The stock sizes and specs this bike left the factory with, each with its source. Take them to any shop.

Retailer links below are affiliate links: we may earn a commission, at no cost to you, and it never changes the specs. Affiliate disclosure.

Tires
Front tire 80/100-21 51R, 80/100-21 51M Owner's manual p. 9-1Rear tire 100/100-18 59R, 100/100-18 59M Owner's manual p. 9-2Front tires 80/100-21 at MotoSportTubes 80/100-21 at MotoSportRear tires 100/100-18 at MotoSportTubes 100/100-18 at MotoSport
Engine oil
Engine oil spec SAE 10W-40; API service SG type or higher, JASO standard MA Owner's manual p. 9-1Engine oil capacity (oil change) 1000 ml (33.8 fl oz) Owner's manual p. 9-1Engine oil at MotoSport

In stock at MotoSport

Prices from MotoSport’s catalog of Oct 14, 2026; check today’s price before you buy.

Front tire, stock size 80/100-21

Rear tire, stock size 100/100-18

Engine oil, stock viscosity 10W-40

Matched on viscosity only. The manual prints: SAE 10W-40; API service SG type or higher, JASO standard MA. Check the label for the rest.

Prices and stock from MotoSport's product catalog on Oct 14, 2026; they change, so check the price at MotoSport before you buy. Products are chosen by exact stock size, code or oil viscosity from the specs above, known brands first, then price. We have not tested them.

6 part specs not yet verified; see data coverage.

Tools for this bike

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Service schedule

35 rows from the owner's manual schedule, pp. 7-1 to 7-5, counted in months, at these intervals:

  • 1000 km (600 mi) or 1 month or 30 hours
  • 3000 km (1800 mi) or 6 months or 90 hours
  • 5000 km (3000 mi) or 12 months or 150 hours

Check what's due or track it in My Bike. Buying one used? The hours check lists what the schedule calls for by its meter reading.

Gearing tool

The calculator prefills from this bike once its stock sprockets are verified. It works with any numbers in the meantime.

What's missing

15 of 29 fields read off a manual page.

Not yet verified (12): front sprocket, rear sprocket, chain pitch, chain links, front rim, rear rim, fork spring rate, shock spring rate, static sag, race sag, fork oil, valve clearance.

From a spec sheet, awaiting a manual page (2): fork travel, shock travel.

See coverage for every bike

Sources

  1. 1
    Yamaha TT-R230 Owner's Manual (model code TT-R230V1), LIT-11626-40-43, D25-F8199-12, 1st edition April 2026 (Yamaha Owner's Manual Library, USA; library files it under 2027); no model year printed, Yamaha's own owner's manual library files it under model year 2027 (owner decision 2026-10-12)pp. 7-6, 7-7, 7-14, 7-15, 7-21, 7-22, 9-1, 9-2Manual page, verified. Covers front tire, rear tire, fork, fuel capacity, seat height, wheelbase, weight (curb weight), engine oil spec, engine oil capacity (oil change), tire pressure (off-road), spark plug and gap, chain slack, engine oil figure, as labelled, engine oil capacity, with filter change, weight, as labelled, brake fluid, fuel octane, idle speed; checked 2026-10-16.
  2. 2
    Yamaha Motor Corp., USA, 2027 TT-R230 specifications pageManufacturer web or spec sheet, research level. Covers fork travel, shock travel; checked 2026-10-11.

Always confirm against the manual for your exact year before ordering parts or setting up suspension. Torque specs are deliberately not published here. How we verify a value.

Your manual prints something different? Report a value with the page it is on; every fix is listed in the corrections log.

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