Suzuki M109R / VZR Intruder/ Boulevard

Coolant capacity & service interval

Suzuki M109R / VZR Intruder/ Boulevard coolant capacity is 2,7 liters. Service intervals include checks at 6000 km or 12 months, and changes at 24 months, 24000 km or 24 months, and 48000 km or 48 months. The data covers 10 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
M109R / VZR1800 / M1800 R/R2/Z Intruder (2021- )
  • Use: Normal
  • Capacity 2,7 liter
  • Change 48000 km/ 48 months
M109R / VZR1800 / M1800 R/R2/Z Intruder (2021- )
  • Use: Normal (alternative)
  • Capacity 2,7 liter
  • Change 24000 km/ 24 months
M109R / VZR1800 / M1800 R/R2/Z Intruder (2021- )
  • Use: Alternative (acceptable)
  • Capacity 2,7 liter
  • Change 24000 km/ 24 months
M109R / VZR1800 / M1800 R/R2/Z Intruder (2015-2021)
  • Use: Normal
  • Capacity 2,7 liter
  • Change 48000 km/ 48 months
M109R / VZR1800 / M1800 R/R2/Z Intruder (2015-2021)
  • Use: Normal (alternative)
  • Capacity 2,7 liter
  • Change 24000 km/ 24 months
M109R / VZR1800 / M1800 R/R2/Z Intruder (2015-2021)
  • Use: Alternative (acceptable)
  • Capacity 2,7 liter
  • Change 24000 km/ 24 months
M109R / VZR1800 / M1800 R/R2/Z Intruder, K10/L4 (2010-2014)
  • Use: Normal
  • Capacity 2,7 liter
  • Check 6000 km/ 12 months
  • Change 24 months
M109R / VZR1800 / M1800 R/R2 Intruder, K8/K9 (2008-2010)
  • Use: Normal
  • Capacity 2,7 liter
  • Check 6000 km/ 12 months
  • Change 24 months
M109R / VZR1800 / M1800Z Intruder, K7/K8/K9 (2007-2010)
  • Use: Normal
  • Capacity 2,7 liter
  • Check 6000 km/ 12 months
  • Change 24 months
M109R / VZR1800 / M1800R Intruder, K6/K7 (2006-2008)
  • Use: Normal
  • Capacity 2,7 liter
  • Check 6000 km/ 12 months
  • Change 24 months

Additional Notes

  • The Suzuki M109R / VZR1800 / M1800 cooling system capacity is 2.7 liters across all listed variants and model years from 2006 onward. A consistent capacity figure across an entire model family typically reflects a shared engine architecture and cooling circuit design rather than variation between trims or generations.
  • For the K6/K7 (2006-2008), K7/K8/K9 (2007-2010), K8/K9 (2008-2010), and K10/L4 (2010-2014) variants, the coolant service schedule includes both a condition check at 6,000 km or 12 months and a full change interval set at 24 months. The separation of check and change intervals means the cooling system receives attention at shorter intervals before a full fluid replacement is due.
  • The 24-month change interval applied to the 2006-2014 variants is a calendar-based schedule with no mileage figure attached to the change itself. Time-based coolant intervals account for the chemical degradation of corrosion inhibitors, which occurs regardless of distance traveled.
  • From the 2015-2021 generation onward, the normal-use coolant change interval extends to 48,000 km or 48 months. Compared to the 24-month change schedule of earlier variants, the 48-month interval represents a significant extension, reflecting either a change in coolant specification or revised service engineering for that generation.
  • The 2015-2021 and 2021- variants each carry two additional coolant change entries alongside the normal 48,000 km / 48-month schedule. One is labeled normal (alternative) and the other alternative (acceptable), both specifying a 24,000 km or 24-month change interval. These shorter intervals apply when a coolant type other than the primary specification is used, with the reduced interval compensating for a lower-rated fluid's service life.
  • The 2021- variant shares the same three-tier coolant service structure as the 2015-2021 generation: a 48,000 km / 48-month interval under normal use, and a 24,000 km / 24-month interval under both the normal (alternative) and alternative (acceptable) conditions. The 2.7-liter capacity figure also carries over unchanged from earlier generations.